Community tools for Slack apps

Slack developer tools

Widely-used open source libraries

Libraries, Plugins, and Sample Apps

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C

• PebbleSlack - A Slack app for Pebble

C++

• engine - A modern C++ library for building modern Slack-enabled applications
• matterbot - A native Mattermost/Slack bot framework
• slacking - C++11 library for communicating with the Slack Web API
• SlackRtm - Primitive library to access the Slack RTM API

C# / .NET

• Slack.NetStandard - .NET core package for working with OAuth, Events API, Web API, and interactivity.
• Cake.Slack - Cake AddIn that extends Cake with Slack messaging features
• CCNetSlackPublisher - Slack integration with CruiseControl.NET
• Log4Slack - Simple, asynchronous Slack log4net appender
• margiebot - A .NET library designed to make building bots for Slack fast, easy, and fun
• mmbot - a C# port of hubot, with Slack support
• noobot - An extensible Slack bot built for C#
• Selenium-storage-provider - Post your Selenium screenshots to Slack
• Slack-Contour - Umbraco Contour workflow item that allows you to post the form data to a Slack channel
• slack-library-.net - Slack client library written in C#
• Slack.Webhooks - Even simpler integration with Slack Incoming / Outgoing webhooks
• SlackAPI - Full Slack API library, including WebSockets
• SlackCommander - Useful (?) Slash Commands and miscellaneous integrations for Slack
• SlackConnector - A simple connector for the Slack API
• SqlServerSlackAPI - A SQL Server CLR assembly for direct communication with Slack via TSQL
• svn-slack-notifier - A simple app to send VisualSVN Server commit notifications to Slack
• TfsNotificationRelay - A plugin for TFS 2013 that sends notifications to Slack
• TSJ.Gemini.Slack - Posts issue changes to a channel in Slack
• WooCode.Slack - Library for slacking with Slack.com in .Net
• workfront-to-slack - Checks for updates from a workfront team and pushes them to a Slack channel

Clojure

• clj-slack - Use Slack REST API from Clojure
• clj-slack-client - A Clojure client for the Slack RTM and Web APIs
• clj-slack-sql - Post SQL Statements results to Slack channels (JDBC)
• lunch-bot - A Slack bot that manages group lunch activities
• markov-chainz - A Markov chain bot written in Clojure
• slack-bot - Clojure Heroku Bot
• slack-hooks - Papertrail's collection of webhook receivers for Slack
• slack.clj - Example of sending a message to Slack from Clojure
• slacks - Deliver quotes to a Slack channel
• veyeslack - Little Veye command-center for Slack
• Surfs - A library aiming to make creating Slack surfaces enjoyable.

CoffeeScript

• birthday_reminder - Remember your team members' birthdays
• bugsnag-notification-plugins - Notification plugins for Bugsnag error tracker
• gifmatic - Search Giphy and send a matching image back to Slack
• hubot-basecamp - Expands Basecamp URLs in chat with more useful information
• hubot-srl - StormRunner Load chat bot
• humors - Custom Hubot
• jarvis - A JARVIS for your team - your most powerful bot and loyal butler.
• jinora - Slack webhook app to create anonymous public channels
• pr2slack - Non-spammy pull request messages
• regi - Custom Hubot
• slack-api-client - A Slack API client for node.js
• slack-node-sdk - Slack Node SDK with Webhook and API support
• slacker - Meteor-based API for Slack commands

Dart

• dart-slack - Dart interface to the Webhook API

Elixir

• elixir-slack - Slack RTM and Web API client in Elixir
• elkarmo - Slack karma bot written in Elixir
• slackex - Elixir Slack API Client

Erlang

• slacker - Erlang Slack REST API wrapper

Go

• amiando-slack - Push Amiando ticket sales to Slack
• annona - A service for posting anonymous messages to a Slack channel
• anonymous-slack - A service you can run on Heroku to send anonymous messages to colleagues
• arriba - A Slack bot for asynchronous stand-ups
• bot - IRC, Slack, and Telegram bot written in Go
• circle2slack - Proxy CircleCI webhooks to Slack
• enotify-slack - A tool to get event information and send it to Slack
• Flippy - Flippy is a Slack webhook responder that flips tables and text
• gdrive2slack - Frictionless integration between Google Drive and Slack
• hal - A chat bot in Go
• hanu - Go Framework for writing Slack bots
• hipchat-notifications-to-slack - forward notifications from HipChat to Slack
• marvin - Slack bot written in Go
• phoenix - Pluggable bot for Slack
• relax - Bots-as-a-Service for Slack
• rmslack - Purge a slack channel of all messages
• slack - Slack API in Go
• slack_auth_proxy - A reverse proxy providing authentication via a slack.com team
• slack-cli - A command tool to communicate with Slack
• slack-fingerbumpbot - A bot for Slack that never leaves a finger bump hanging
• go-slackjira - JIRA issue name expander for Slack
• slack-markov - A markov chain bot for your Slack channel
• slack-oldbot - A bot for Slack that politely reports when a link has been used before in the channel
• slack-redmine-bot - Redmine issue name expander for Slack
• slack-upvote - Slack voting integration
• slackbot - A silly little slackhq robot
• slackbot (II) - Framework for building Slash Commands for Slack
• slackcat - Post messages to Slack from the command line
• slacker-news - Slack integration that reports current news items
• slackhook - Simple Go client for Slack Incoming WebHook API
• slackline - Create a Slack channel shared by two organizations
• slackline-gae - Google App Engine app to share channels between Slack accounts
• SlackMS - SMS your workspace channel in Slack
• slackposter - Post a message to your Slack incoming webhook
• slackrus - Slack hook for Logrus
• slacktogo - Slack Integration Server for distributing channels between different Slack teams
• slclogger - Simple Slack Client for logging written in Go
• subtleist - Anonymously remind of subtle-isms and other Recurse Center social rules in Slack
• webhook - Easily run commands in response to HTTP webhook requests from Slack

Groovy

• slack-ozfindbiz - Outgoing WebHook Integration to search for Australian businesses and POIs

Haskell

• hi5bot - Get and give high-fives on Slack
• jpgtobot - jpg.to bot for Slack
• slack - A Haskell client for the Slack web API

Java

• AcraSlack - Sample project for Android Studio showing how to implement ACRA and Slack integration
• gitblit-slack-plugin - Post Gitblit events to a Slack channel
• gocd-slack-build-notifier - GoCD plugin to push build notifications to Slack
• irackbot - A bot for relaying messages across Slack and IRC channels
• jbot - A Java framework (inspired by Howdy's Botkit) to make Slack bots in minutes
• jslack - Java library to easily integrate your operations with Slack
• roboslack - A pluggable, fluent, straightforward Java library for interacting with Slack
• rundeck-slack-incoming-webhook-plugin - A Rundeck Plugin for Slack Incoming WebHooks
• rundeck-slack-plugin - A Rundeck Plugin for Slack
• simple-slack-api - A Slack client library in Java
• SlackMC - Bukkit/Bungee plugin for Slack
• SlackStorm - PHP Storm (IntelliJ) plugin that allows posting code snippets to a Slack channel
• slack-api - A Java client for the Slack Web API, Incoming Webhooks, Slackbot Remote Control, RTM API
• slack-api-android - Android client for the Slack Web API, Incoming Webhooks, Slackbot Remote Control and RTM API
• slack-client - Displays a Slack unread icon in the system tray
• slack-connector - Mule Slack Connector
• slack-java-client - A simple Java client that auths to Slack and posts to the Web API
• slack-spotify-playlist - Publish shared Spotify playlist updates to Slack
• slack-webhook - Slack WebHook Integration for Java
• stash2slack - Send Stash server events as notifications to Slack
• tcSlackBuildNotifier - Post TeamCity build notifications to Slack

JavaScript

• alex-slack - Alex bot for Slack, that catches insensitive, inconsiderate writing
• aws-lambda - Collection of functions for AWS Lambda
• beerbot - A bot that responds with beer gifs to messages that match a pattern
• bip-pod-slack - Slack Pod for BipIO
• bitbucket-slack-pr-hook - Receive Pull Request notifications from BitBucket and send them to Slack
• Botkit - Use this handy bot framework from Howdy to quickly build conversational bots
• Botpress- Build, debug and deploy AI-based conversational assistants.
• Bottender - A framework for building conversational interfaces for Slack and beyond.
• brackets-slacksnippet - push code snippets from Brackets to a slack channel
• browser-node-slack - Slack integration for node and browserify
• bunyan-slack - Bunyan stream for Slack chat integration
• camayak-to-slack - Node.js app that allows Slack to work as a Camayak publishing destination
• CarlosBot - A chat bot with a Slack connector and pluggable functions as chat commands
• chivebot - A pluggable Slack bot based on Outgoing Webhooks
• CircleCI2Slack - Node app that proxies build notifications from CircleCI to Slack
• crispyfi - A local pseudo-bot that controls Spotify through Slack
• cylebot-slack - Cylebot, but for Slack
• dogebot - A bot that responds as doge
• ExceptionalIO2Slack - Send exceptions from Exceptional.io to Slack
• firebase-slack-monitor - Monitoring firebase activity and send notifications to Slack
• gif-bot - A Gif Bot for Slack
• giphyslack - Giphy integration for Slack built in node.js
• gizoogle-slack - Gizoogle integration to translate your English sentences into Snoop Dogg English
• grunt-alert - Sends alerts about failing builds using different channels
• grunt-slack-hook - Grunt plugin to send messages to Slack
• hublin-slack-integration - Integrate Hubl.in with Slack
• imma-let-you-finish - A bot that randomly appears in your conversation to tell everyone who has the best comment of all times
• InspiroBotSlack - Slack integration with InspiroBot.me
• irc-slack-echo - Echoes IRC activity to Slack, and supports IRC/Slack username mapping
• jira-slack - JIRA-Slack integration
• Live-WorldCup-Notification-for-Slack - World Cup 2014 notifications
• LOUDBOT-SLACK - LOUDBOT FOR SLACK
• node-lunch-finder - Find a place to eat a lunch with a slash command
• node-slack-cli - Send messages to Slack from the command line with nodejs
• node-slack-irc - Node.js solution to integrate IRC chats to Slack
• node-slackbot - Slackbot for node.js using RTM API
• node-slackhook - A node module for Slack custom hooks
• node-slackr - A node.js library for sending messages to Slack
• nodebot-slack - A Node.js bot for Slack teams
• Notifications for Fluid - Use native notification center for Slack in fluid.app
• opkit - A devops bot framework for Slack
• Overcast - A SSH-based cloud management CLI with Slack support
• passport-slack - Slack OAuth2 strategy for Passport
• Send-to-Slack - A plugin for Sketch.app to share artboards to Slack
• slack-alias-plugin - Auto-expand mentions of certain aliases to their respective users
• slack-api - a javascript wrapper for the Slack API
• slack-assembla-plugin - Watches Slack channels for messages about Assembla and acts accordingly
• slack-beer-search-bot - Slack commands for searching beers
• slack-bill-sharing - Bill sharing bot for Slack
• slack-bot-api - Simple way to control your Slack bot
• slack-audiobot - Bot that adds audio feedback to Slack
• slack-bot-copy - Easily copy messages to other Slack channels
• slack-brewbot - Whose turn is it to make a brew? Let BrewBot decide
• slack-btc - Simple node.js REST API to add a BTC ticker to Slack
• slack-chat - A support chat feature for your website that integrates with Slack
• slack-cli - A command line interface for Slack using node
• slack-clicky - Chrome Extension that lets you share links to Slack in a single click
• slack-contentful - Track Contentful entries being published on Slack
• slack-currency - Slash command for converting currency
• slack-dnd - D&D Slash Commands for Slack
• slack-emoji-randomizer - replace emoji in your messages with random emoji
• slack-express - Quickly implement Slack slash commands as Express middleware in Node
• slack-gitlab - Bot integration to report changes in GitLab projects
• slack-github - Post github commits to Slack
• slack-harvest - Send a daily Slack message with a list of tracked time from Harvest
• slack-integrations - The Collective Digital Studio Slack integration server
• Slack-Integrations - A few Slack integrations by BraveUX
• slack-integrator - Easily integrate Slack with your apps!
• slack-irc - Connects Slack and IRC channels by sending messages back and forth
• slack-irc-plugin - Sync IRC with your Slack account
• slack-jira-plugin - Watches Slack channels for messages about JIRA and acts accordingly
• slack-json-proxy - Proxy to map your JSON payload to application/x-www-form-urlencoded
• SlackLateX - Bot that posts Latex pictures
• slack-meme - Slack meme integration
• slack-middle-server - Intermediate webhook server for Slack
• slack-news - Read news from multiple sources within Slack by just typing /news
• slack-notify - A Node.js wrapper around the Slack Webhook API
• slack_pinned_item_extension - Chrome extension to filter pinned items
• slack-pokemon - A bot for having Pokemon battles in Slack
• slack-pongbot - Slack bot for ping pong tracking
• slack-proxy - Simple proxy between AWS SQS queue and Slack
• slack-quick-bots - A slack bot solution for enterprise
• slack-reply-shortcut - Use the "R" shortcut key w/ selected text to easily reply in the web app
• slack-slash-time - /time slash command that translates from your timezone to everybody's in the channel
• slack-stuart - An extendable bot server for Slack
• slack-tableflip - A tableflip slash command
• slack-texts - Receive SMS notifications in Slack using Twilio
• slack-traductor - Slack bot to translate chat messages of any language into specified language
• Slack-Twitter - Node.js middleware to create a reading and writing Twitter client out of Slack
• slack-vote - A Node-based voting/polling integration for Slack using custom outgoing webhooks
• slack-webex-plugin - Launch a Webex Personal Room or other type of meeting from Slack
• slack-wrapi - Wrapper for Slack Web API
• slack-yandex-api - Simple server app for Yandex API and Slack integration
• slack.com.js - Google Chrome extension to make emoticons look better
• slack.com.js (II) - Google Chrome extension to turn issues numbers into links
• slackapi-angularjs - AngularJS module wrapper for the Slack Web API
• slackbot-says - Chrome extension to post messages to Slack as Slackbot
• slackbotapi - node.js Slack RTM API module
• Slackbots - Slack bots
• slackbot-doge-serverless - The Most Advanced Meme Bot for Slack
• slackbox - Spotify playlist collaboration through Slack
• SlackChannelTrafficIndicator - Chrome extension that plots the traffic in Slack channels
• slackdraw - A Google Chrome extension to draw and share the drawings on Slack
• slackey - A JavaScript SDK for the Slack API
• slackhub - A Slack bot that allows you to communicate with other teams
• slackihook - Send incoming webhooks to Slack with Node.js
• slacklink - Post links to Slack from Chrome
• SlackOverflow - A simple app to search Stack Overflow with a Slack slash command
• slackr-bot - A node module for making bots that use the Slack RTM API
• slackslime - Cross-team chat on Slack using the RTM API
• slacktappd - A tiny little app to post Untappd checkins to Slack
• slacktivity - Analytics, sent directly to Slack
• slacktocracy - A tiny little app to post Fitocracy workouts to Slack
• SlackToggle - Chrome extension to collapse/expand a Slack discussion section
• slackus - New Disqus comment notifier for Slack
• SlackVote - Slack integration that allows team members to vote
• slackWeather.js - Slack slackbot send weather forecast
• sloth-bot - A Slack bot full of fun commands
• Slotify - Slack plugin that returns top 5 tracks of an artist
• SnooBot - Look up information about Reddit subs
• spotify-playlist-2-slack - Share updates to a Spotify playlist in Slack
• spotifyslackbot - A Slack Bot for controlling the Spotify app on a Mac
• spring-boot-starter - An SDK to build your own Slackbot
• step-slack-notify - Send a message to Slack after a build or deploy
• strider-slack - Slack Incoming Webhooks as a Strider-CD plugin
• superscript - A dialogue engine for creating chat bots
• swolebot - A Slack bot for keeping your team fit through open pull requests
• terminal-slack - Terminal client for Slack
• tesla-slack - Track your Tesla from Slack
• winston-slackbotuser - Winston transport for logging as a Slack bot user
• youtrack-slack-bot - A bot that adapts XMPP to Slack for a YouTrack to Slack connection
• youtrack_slack_bot - Connect with XMPP to Youtrack and send messages to a Slack channel

Lua

• breezBot - Air quality index bot for Slack using the breezometer API
• Lua Slack - A Lua Slack API wrapper
• lubot - Lua Chatbot running inside OpenResty
• uberSlackBot - Get Uber price estimates directly in Slack

Matlab

• SlackMatlab - Basic integration for Slack notifications for Matlab

OCaml

• slacko - A neat interface for Slack

Perl

• slack-integrations - Scripts to integrate Slack with subversion and nagios
• slappyhour - A CGI script to bridge a channel between multiple Slack instances

PHP

• alfred-slack - Open a conversation with a contact in Slack
• AlfredSlackSearch - Alfred.app workflow that searches your workspace's Slack history
• Archibald - A Slack integration to post GIF replies from replygif.net
• beanstalk-slack - Integrates your deploy commits from Beanstalk directly into Slack
• BotMan - A framework agnostic PHP library to build chat bots
• CLSlackBundle - Symfony bundle that lets you interact with the Slack API and webhooks
• ExceptionHandler - PHP Exception Handler to post exceptions to a Slack channel
• Gifbot - GIFs for your Slack channel
• GifBot - Random GIF generator for your Slack channels
• jira-slack-php - JIRA-Slack Integration in PHP
• laravel-slack-slash-command - Make a Laravel app respond to a slash command from Slack
• Laravel-Slack-Web-API - Light Laravel wrapper for Slack Web API
• make-it-rain - Animated gif notifications whenever you get paid through Stripe
• MantisBT-Slack - MantisBT plugin to send bug updates to Slack
• mediawiki-slack - Mediawiki integration for Slack
• monolog - Sends your logs to Slack
• notifyme - Provides a common interface for notification services
• opauth-slack - Slack authentication strategy for Opauth
• phlack - PHP API Wrapper
• php-slack - A lightweight PHP implementation of Slack API
• PHP-Slack - PHP API Wrapper with Laravel support
• php-slackbot - Simple PHP package for sending messages to Slack
• php-slack-error-reporter - Library to report errors to slack.
• pslackr - Library for sending messages from your app to Slack
• redmine-command - Redmine-Slack integration to manage issues
• restful-frotz - A restful interface to interact with Frotz games within Slack
• rocketeer-slack - Slack plugin for Rocketeer
• Shooker - Slack WebHooks PHP Class
• Slack - Laravel 4 package for sending messages to Slack
• slack-api - A super simple wrapper for the Slack API
• slack-client - PHP API client for Slack, with support for the RTM API using web sockets
• Slack-Events - Slack Events API for PHP Laravel 5
• slack-exception-logger-bundle - Log symfony2 exceptions to a Slack channel
• slack_mediawiki - An extension for MediaWiki that sends updates into Slack
• slack-mixpanel-command - Allows you to retrieve your Mixpanel users within Slack!
• slack-notifier - Simple PHP wrapper for Slack notifications
• slack-sdk - PHP SDK
• slack-tea - Decide who makes the tea using Slack
• slack_to_drupal (Drupal Module) - Imports images posted to a specified Slack channel into Drupal as File entities
• slack-webhooks - Easily add service with webhooks integration in Slack
• slack-wordpress (Wordpress Plugin) - Wordpress integration for Slack
• SlackAgainstHumanity - A laravel 5 package for playing Cards Against Humanity in your Slack channel
• slackbot - A PHP Slack Bot using the new Event API
• SlackBundle - SlackBundle for Symfony2
• SlackBuu - Slack Bot User Underlayer written in PHP, to be used as a library or base code to develop a chat bot
• slackcamp - Post Basecamp events to Slack
• Slacker - Simple Slack client for the CLI
• SlackGoogle - Slash command that returns a Google search URL, like LMGTFY
• SlackHelper - Object-oriented classes for sending data to Slack via incoming webhooks
• SlackHolidayBot - Posts today's holiday to a channel in Slack
• slackuntappd - A webhook that allows you to search for beer information within Slack via Untappd
• SlackWamp - A WAMP wrapper for the Slack API
• Sqwack - Semi-realtime profile photos in Slack
• tourdefrance-slack-bot - Notifies a Slack channel for every stage during the Tour de France 2014
• versioneye-slack - Post VersionEye notifications to Slack
• VoiceChatAPI slack command - Create a VoiceChatAPI room from Slack
• wordpress-slack-notifier-plugin - Sends post published notifications to Slack
• worldcup-slack-bot - Notify a Slack channel for every match during the 2014 World Cup

PowerShell

• PoshBot - PowerShell-based bot framework
• Powershell-SlackBot - Slack bot using the Real Time Messaging API and WebSockets

Python

• SURGE911bot - An emergency contact info bot to help remote employees in an emergency
• asterisk-slack - Publishes Asterisk call information to Slack
• butterfield - Python Slack bot framework using asyncio and Slack RTM API
• changetip-slack - ChangeTip Slack Tip bot
• cleverme - A Slack app to communicate with Cleverbot
• django-slack - Slack integration for Django, using the templating engine to generate messages
• django-slack-oauth - Slack OAuth module for Django
• django-slack-utils - Verify request signatures from Slack in your Django app
• ellie-slack - Eliza's younger, hipper, psychobabble-friendly successor as a Slackbot
• err - A plugin-based chatbot designed to be easily deployable, extensible and maintainable
• facebook-slack-integration - Receive a message in Slack from new Notifications and Messages received on Facebook.
• flask-slack - Flask extension which makes it easy to interact with Slack Slash Commands
• flask_slackbot - flask_slackbot helps you deal with slack outgoing webhooks
• fs-slack - Silly slash command synthesis for Slack
• gae-slack-bot - Python Slack bot example running on Google App Engine and subscribing to Slack events via Events API
• gmail2slack - Send a Slack notification whenever a new gmail arrives
• limbo - A simple, clean, easy-to-modify Slack chatbot
• morgenbot - A standup bot for Slack
• mqttwarn - Notify Slack from MQTT
• openduty - An open source alerting and incident escalation tool
• py-ssj - A slash command for JIRA server interactions
• pyslack - Python API Wrapper
• python-rtmbot - A Slack bot written in Python that connects to the RTM API
• python-slack.com - Python classes for integrating with Slack
• python-slackclient (pypi) - A basic client for Slack, which can optionally connect to the RTM API
• reach-slack-rtm - Simple Slack RTM chat built with ReactJS and Django
• relay - Bare-bones continuous integration using Docker Hub and Slack
• rtfmbot - Because we're all tired of answering questions when people should clearly RTFM
• scudcloud - Ubuntu client for Slack
• slack - A simple and comprehensive Slack API client
• slack-echo-chamber - Crosspost messages from one channel into another
• slack-imgur - A random image from Imgur to Slack
• slack-irc-bouncer - A slack RTM client that relays messages between an IRC bouncer and slack
• slack-overflow - Search Stack Overflow right from within Slack
• slack_standup_snitch - A Slack bot that counts the days each user was active on a channel, calling out the inactive users
• slack-w3w - Slack Webhook for linking to What3Words
• slack-zenoss - A Slack incoming webhook to show events from Zenoss
• slackard - A bot for Slack
• slackbot - A chat bot for Slack
• slackbot-python - A Slack.com bot in Python integrated with Amazon SQS
• slackbridge - Bridge Slack channels between companies
• slackcmd - A Python script for piping output from the command line to a Slack channel
• slackcraft - Slask based WoW bot for Slack
• slacker - Slack API Wrapper for Python
• slacker (II) - Python project to enable use of aa_macro.py within Slack channels
• slacker-cli - Messages to slack from the command line
• slackfred - Interact with Slack via Alfred
• SlackLaTeXBot - LaTeX bot that responds to Slack slash commands
• slackotron - A Slack bot customizable via plugins
• slackpy - Slack client library for specific logging
• slacksocket - Python interface to the Slack RTM API
• slactorbot - A slack bot that uses lightweight actors and dynamic module imports for plugins
• slappd - A Slack integration for Untappd
• slouch - Lightweight Python framework for building cli-inspired Slack bots
• socialbot - Bot that publises links from Slack to social networks
• StackStorm Slack Pack - Pack which allows integration with Slack service.
• stock-quote-slackbot - Slackbot that retrieves stock quotes from Yahoo Finance for a given ticker symbol
• sublime-slack-integration - Post to Slack from Sublime Text 3
• Summarize It! - Summarize It is a chat summarizer plugin for instant messaging applications built on top of Slack.
• sync_slack - BitTorrent Sync sample integration
• tracslack - Trac notifications for Slack
• webhook-bridge - micro-service to convert webhook POST formats including Slack
• wee-slack - A WeeChat plugin for Slack

R

• slackr - A package to send webhook API messages to Slack channels/users from R

Ruby

• addon-slack - Send MagnumCI build notifications to Slack
• adventure-bot - Text adventures in Slack!
• airbrake2slack - Airbrake to Slack integration (through Heroku)
• Alfred-Slack-Channels - Alfred WorkFlow to Switch Slack Channels
• beach - Small Sinatra app to host web hooks for Slack
• BotHeaven - The Bot farm of Slack
• capistrano-slack - Send Capistrano deployment messages to Slack
• capistrano-slack (II) - Send Capistrano deployment messages to Slack
• capistrano-slackify - Send Capistrano deployment messages to Slack
• chef-slack - Cookbook to send messages to Slack
• chef-slack_handler - Chef handler for Slack
• cksh_commander Ruby gem that makes processing slash commands a breeze
• cksh_commander_api - Lightweight Sinatra app that leverages the CKSHCommander gem to process and respond to slash commands
• dogetip-slack - Sinatra app to enable Dogecoin tipping via slack
• doorbell-server - Simple Sinatra app which acts a bridge between Slack and the LMN doorbell
• fastlane - iOS deployment workflow that posts notifications to Slack
• gifbot - Integrated animated GIF search for Slack
• hatebu-hooker - Post Hatena::Bookmark to Slack
• inspiry - Posts one inspirational quote to a Slack channel every day
• kickslacker - Post progress updates on a kickstarter project to Slack
• lita-slack - Lita adapter for Slack
• lita-slack-handler - Lita handler for Slack
• mina_slack - Slack notifications for Mina
• Monit to Slack - Post alerts from Monit to Slack
• mslabs-slack-bridge - Bridge between our cloud services and Slack
• omniauth-slack - Omniauth provider for Slack
• pagerbot - Manage Pagerduty on-call schedules from within your internal chat channels
• puppet-slack - Slack Puppet Module for Boxen
• puppet-slack (II) - Puppet report processor integration with Slack
• redmine_messenger - Messenger plugin for Redmine with Slack support
• redmine-slack - Send Redmine updates to Slack
• resque-slack - Post failed Rescue jobs notifications in a Slack channel
• semaphore-to-slack - Post Semaphore status messages to Slack
• slack-bot-server - A server for running multiple Slack bots
• slack-gamebot - A game bot for Slack
• SlackChatter - Simple Slack API wrapper for all of your slacking needs
• slack_notifier - Send notifications to Slack
• slack-smart-bot - Create bots on demand
• slack-notifier - A simple wrapper for posting to Slack
• slack-notify - Send notifications to Slack
• slack-portals - Link two different companies' Slacks together through a common channel
• slack-post - Post messages to Slack
• slack-poster - Simple gem to post messages on Slack using webhooks
• slack-reconciler - Slack Webhook bridge with 1-click heroku deploy.
• slack-repeater - Repeater bot
• slack-rtmapi - All you need to use the RTM API of Slack
• slack-ruby-client - A Ruby client for the Slack Web and RealTime Messaging APIs.
• slack-ruby-gem - A Ruby wrapper for the Slack API
• slack-semaphore-integration - Send build status messages from Semaphore to Slack
• slack-shuffle - Slack integration for shuffling a list with your team members
• slack-slam - A key-value store for Slack
• slack-timezone-converter - Converts any time string in a message to all timezones where the team is
• slackbot - The laziest bot around
• slackbot (II) - Bots for Slack.com
• slackbot-plugin - Attempt at a ruby-based jenkins Slack notifier
• slackbots - A bunch of rad slackbots that run on IronWorker
• slackbotsy - Ruby bot for Slack, inspire by botsy
• slackcat - Upload files to Slack from the command-line
• SlackCI - Command-Line Interface and RubyGem for Slack
• SlackEco - Generate memes within your Slack channels
• slacker - A collection of scripts for making Slack a little better
• slackfire - Send real time events from Firebase to Slack
• slackiq - Slackiq = Slack + Sidekiq
• slackistrano - Send Capistrano deployment messages to Slack
• slackr - Talk to Slack from Ruby
• slackr-gif-bot - Listens for requests and posts GIFs back to a Slack channel
• Slackvant - A simple Slack bot system
• slightly-weird - Uploads pictures of users, uses SQS
• snarkov - Sinatra-based Markov bot for Slack
• spoilerbot - Displays a random card from the latest Magic: The Gathering set
• squirt - Upload a file to a Slack channel from the cli
• tarumi - A simple library to interact with Slack webhooks
• tickbot - Simple team time tracking reminder
• trebekbot - A Jeopardy! bot for Slack
• vip-notify - Send VIP deployment notifications to Slack
• webistrano_slack - Send Webistrano deploys to Slack
• yobot - YOs a Slack channel of your choice

Rust

• rust-slack - A rust crate for sending messages to Slack via webhooks.

Scala

• Slack Morphism for Scala - A type-safe reactive client supporting most modern Slack app features like Block Kit and the Events API.
• slack-client - An library released by Kifi, supporting Slack app authentication, incoming webhooks, and the web API
• scala-slack - A Slack client for Scala
• slack-scala-client - A Scala Slack client for the Web and RTM API

Shell

• git-slack-hook - Git receive hook to notify Slack channels
• ob_hacky_slack - A shell script that sends beautiful messages to Slack
• Sholat-Prayer-Times-Slack - Salat Prayer Times bot for Slack integration
• slack - Runs the test suite of a Ruby On Rails application and post the results to Slack
• slack-cli - Powerful Slack messaging CLI to send richly formatted messages, and create bots and an event stream processor.
• slack-hack - Random bot
• slack-integrations - Custom Slack integration scripts
• slack-rails-ci - Run a command; post it and its standard input, output, and error to Slack
• slackme - Run long-running commands in the background, and send the results to Slack
• slacktee - A bash script that works like the tee command
• stash_slack - Atlassian Stash integration with Slack through external web hooks
• wercker-step-slack-notify - Send a message to Slack
• wercker-step-slack-post - Post wercker deploy status to Slack
• zabbix-slack-alertscript - Custom Zabbix AlertScript for Slack

Swift

• SlackKit - Slack client library for iOS and OS X written in Swift

Tcl

• eggdrop-slack - Simple Message Relay from IRC to Slack

Zephir

• zephlack - Slack Messaging extension written in Zephir

Other Services & Tools

Estimote Beacons

These open source repositories can be used to integrate with Estimote beacons.

• PreSenseBot - Example bot user that interacts with the beacon-aware PreSense iOS and Android apps.
• SlackStatus - An example iOS app for interacting with the Web API.
• slashnote - This Slash command example is used by note.cntxt, winner of the Slack-focused Estimote RealityHack competition.

Wordpress

• Wordpress Plugin: Caldera Forms Slack Integration - Get notifications in Slack whenever a Caldera Form is submitted
• Wordpress Plugin: Slack - Send notifications to Slack when events occur in WordPress
• Wordpress Plugin: bbPress Slack - Send notifications of new bbPress topics and replies to Slack

Other tools

• Atlassian Stash - Send notifications to a Slack channel when a repo push occurs
• Looker - The Lookerbot for Slack makes it easy to bring data from Looker into every Slack conversation
• slack (Drupal) - Send messages from a Drupal website to Slack
• slack-chat (Drupal) - Allow your visitors to send instant messages from your website to your Slack account
• Slack Message Builder - A tool for previewing how JSON payloads translate to Slack messages
• stdlib - A suite of tools helping you rapidly build serverless Slack bots
• steno - A Slack app testing companion: record and replay your incoming & outgoing HTTP requests
• Unofficial TeamCity Slack plugin - Send notifications from TeamCity to Slack