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Pick a category to scan the registry. A green check on a card means the maintainer published that manifest themselves at their own domain. For natural-language search, use /find .
Showing 1–60 of 140 (10490 total) · Search by description →
Team Chat & Messaging
LocalSend
An open-source cross-platform alternative to AirDrop.
Team Chat & Messaging
OnionShare
Securely and anonymously share files, host websites, and chat with friends
Team Chat & Messaging
Beeper
Universal chat app powered by Matrix
Team Chat & Messaging
Signal
Privacy-first messenger with end-to-end encryption by default, no ads, no trackers, and no tracking of who you talk to or when.
Team Chat & Messaging
Quiet
Private, p2p alternative to Slack and Discord built on Tor & IPFS
Team Chat & Messaging
NearDrop
An unofficial Google Nearby Share/Quick Share app for macOS.
Team Chat & Messaging
SimpleX Chat
Messenger for SimpleX protocol
Team Chat & Messaging
irssi
IRC chat client.
Team Chat & Messaging
One Time Secret
Share sensitive information securely with self-destructing links that are only viewable once.
Team Chat & Messaging
BlueBubbles
Server for forwarding iMessages
Team Chat & Messaging
Gotify
Notification server with Android and CLI clients (alternative to PushBullet).
Team Chat & Messaging
Texts.com
DM Manager
Team Chat & Messaging
Session
Onion routing based messenger
Team Chat & Messaging
Zulip
Zulip is a powerful, open source group chat application.
Team Chat & Messaging
Centrifugo
Language-agnostic real-time messaging (Websocket or SockJS) server.
Team Chat & Messaging
Chitchatter
Peer-to-peer chat app that is serverless, decentralized, and ephemeral.
Team Chat & Messaging
Delta Chat
Secure and reliable decentralised instant messenger
Team Chat & Messaging
Ferdium
Messaging workspace that combines multiple web apps in one place.
Team Chat & Messaging
Matrix
An open network for secure, decentralised communication! ![Freeware][Freeware Icon] ![Open-Source Software][OSS Icon]
Team Chat & Messaging
Rocket.Chat
Communications platform that puts data protection first (alternative to Gitter.im and Slack).
Team Chat & Messaging
Telegram
Messaging app with a focus on speed and security.
Team Chat & Messaging
Hyphanet
Anonymously share files, browse and publish _freesites_ (web sites accessible only through Hyphanet) and chat on forums.
Team Chat & Messaging
Snikket
All-in-one Dockerized easy XMPP solution, including web admin and clients.
Team Chat & Messaging
Weechat
Fast, light and extensible chat client.
Team Chat & Messaging
AnyCable
Realtime server for reliable two-way communication over WebSockets, Server-sent events, etc.
Team Chat & Messaging
Element
A federated, end-to-end encrypted chat client built on Matrix. Run on the public network, your own server, or a corporate one - same client…
Team Chat & Messaging
GNUnet
Software framework for decentralized, peer-to-peer networking.
Team Chat & Messaging
Ricochet Refresh
Private and anonymous instant messaging over tor
Team Chat & Messaging
The Lounge
Self-hosted web IRC client.
Team Chat & Messaging
Tuwunel
High-performance and feature-rich chat server for Matrix, and the successor to conduwuit (fork of Conduit).
Team Chat & Messaging
Caprine
Third-party privacy-focused Facebook Messenger app. ![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]
Team Chat & Messaging
Lark
The Next-Gen Collaboration Suite. All your chats, meetings, calendars, docs, and emails in one place. ![Freeware][Freeware Icon]
Team Chat & Messaging
Telegram for macOS
Messaging app with a focus on speed and security
Team Chat & Messaging
Kiwi IRC
Responsive web IRC client with theming support.
Team Chat & Messaging
Sendbird
Offers SDKs and APIs to embed in‑app chat, voice, and video messaging.
Team Chat & Messaging
Tox
Distributed, secure messenger with audio and video chat capabilities.
Team Chat & Messaging
Twist
Team communication and collaboration software
Team Chat & Messaging
Vesktop
Custom Discord App
Team Chat & Messaging
Halloy
IRC client
Team Chat & Messaging
Social Stream
Consolidate, control, and customise live social messaging streams
Team Chat & Messaging
AyuGram
Telegram client with ghost mode and message history
Team Chat & Messaging
Keybase
Secure groups, files, and chat for everyone!
Team Chat & Messaging
kirc
Tiny IRC client.
Team Chat & Messaging
Mattermost
Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).
Team Chat & Messaging
RetroShare
Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.
Team Chat & Messaging
Ripcord
Desktop chat client for Slack (and Discord)
Team Chat & Messaging
Stream
Provides APIs and SDKs for building activity feeds, chat, and video streaming in apps.
Team Chat & Messaging
Legcord
Custom Discord client
Team Chat & Messaging
Prosody IM
Feature-rich and easy to configure XMPP server.
Team Chat & Messaging
BetterDiscord
Installer for BetterDiscord
Team Chat & Messaging
Cabal
Desktop client for the chat platform Cabal
Team Chat & Messaging
Conduit
A simple, fast, and reliable chat server powered by Matrix.
Team Chat & Messaging
Openfire
Real time collaboration (RTC) server.
Team Chat & Messaging
Threema
End-to-end encrypted instant messaging application
Team Chat & Messaging
Zulip
Desktop client for the Zulip team chat platform
Team Chat & Messaging
accord
Discord client written in Swift for modern Macs
Team Chat & Messaging
Libervia
Web frontend from Salut à Toi.
Team Chat & Messaging
MongooseIM
Mobile messaging platform with a focus on performance and scalability.
Team Chat & Messaging
Slack
Team messaging and collaboration platform.
Team Chat & Messaging
Chatterino
Chat client for https://twitch.tv