Alternatives and similar repositories for slack

Users that are interested in slack are comparing it to the libraries listed below

• matrix-org / matrix-hookshot
  A bridge between Matrix and multiple project management services, such as GitHub, GitLab and JIRA.
  ☆380Updated this week
• maunium / meowlnir
  An opinionated Matrix moderation bot.
  ☆50Updated last week
• mautrix / signalgo
  Go rewrite of mautrix-signal - This was a temporary project that has now been merged into the main mautrix-signal repo
  ☆37Updated 2 years ago
• moan0s / matrix-registration-bot
  A bot that is used to create and manage registration tokens for a matrix server
  ☆78Updated 2 years ago
• matrix-org / sliding-sync
  Proxy implementation of MSC3575's sync protocol.
  ☆283Updated 2 months ago
• matrix-org / matrix-federation-tester
  Tester for matrix federation written in golang.
  ☆99Updated last year
• the-draupnir-project / Draupnir
  A Matrix community management platform
  ☆174Updated this week
• JojiiOfficial / Matrix-EmailBridge
  A bridge written in Golang to receive and write emails in matrix
  ☆126Updated 2 years ago
• mautrix / googlechat
  A Matrix-Google Chat puppeting bridge
  ☆124Updated 6 months ago
• babolivier / maubot-autoreply
  Maubot plugin for an auto-reply bot
  ☆17Updated 3 years ago
• t2bot / matrix-media-repo
  Highly configurable multi-domain media repository for Matrix.
  ☆227Updated 2 months ago
• benkuly / matrix-sms-bridge
  Matrix bridge, that allows you to bridge matrix rooms to SMS with one telephone number only.
  ☆85Updated 3 months ago
• maubot / rss
  A RSS plugin for maubot
  ☆78Updated 5 months ago
• nordeck / matrix-meetings
  A solution to organizing meetings in Matrix chat rooms and video conferences
  ☆93Updated last week
• devture / matrix-synapse-shared-secret-auth
  Shared Secret Authenticator password provider module for Matrix Synapse
  ☆87Updated 2 years ago
• nordeck / matrix-neoboard
  A collaborative whiteboard widget for Matrix
  ☆119Updated this week
• element-hq / matrix-authentication-service
  ☆196Updated this week
• vranki / hemppa
  Generic modular bot for Matrix (and via it irc, telegram, slack, etc..)
  ☆172Updated this week
• matrix-org / rust-synapse-compress-state
  A tool to compress some state in a Synapse instance's database
  ☆162Updated 5 months ago
• etkecc / postmoogle
  Postmoogle is Matrix <-> Email bridge in a form of an SMTP server
  ☆55Updated last week
• matrix-org / mjolnir
  A moderation tool for Matrix
  ☆405Updated this week
• matrix-org / complement
  Matrix compliance test suite
  ☆80Updated last week
• anoadragon453 / matrix-reminder-bot
  A bot to remind you about stuff. Supports encrypted rooms
  ☆60Updated 2 weeks ago
• 8go / matrix-eno-bot
  An admin and personal assistence Matrix bot built on matrix-nio and nio-template
  ☆101Updated last year
• element-hq / chatterbox
  Chatterbox lets you securely embed Hydrogen on any website!
  ☆183Updated last year
• elokapina / middleman
  Matrix bot to act as a middleman
  ☆26Updated last year
• devture / matrix-corporal
  Matrix Corporal: reconciliator and gateway for a managed Matrix server
  ☆155Updated 2 months ago
• matrix-org / matrix-bifrost
  General purpose bridging with a variety of backends including libpurple and xmpp.js
  ☆178Updated 3 months ago
• JOJ0 / synadm
  Command line admin tool for Synapse (the Matrix reference homeserver)
  ☆185Updated 9 months ago
• hifi / heisenbridge
  a bouncer-style Matrix IRC bridge
  ☆290Updated 3 months ago