Open-Source Communication & Collaboration Tools
Open-Source Communication & Collaboration tools on PulseGate. 110 Communication & Collaboration tools are open-source, most recently Secure messaging, anywhere.
Browse all Communication & Collaboration
Secure messaging, anywhere.
PairUX is a collaborative live streaming and remote control platform for developers and teams.
deepl-i18n is a CLI tool for translating JSON localization files using DeepL with placeholder safety and local LLM fallback.
Open-source and Ad-free SMS/MMS messaging app
shanter is a cross-platform terminal-based real-time chat application built with Python.
MailNest is a free, open-source newsletter and email automation plugin for WordPress sites.
srtx is a CLI tool for typed subtitle translation and transcription using Gemini.
llm-subs is a CLI tool for translating subtitles between any languages while preserving timing and structure.
tesserakit-glossary extracts project vocabulary and flags terminology drift for Tessera projects.
tesserakit-i18n checks translation-key coverage across locale files for Tessera projects.
lantalk is a terminal-based LAN chat tool for secure, asynchronous communication over local networks.
feishu-cc is a Python package for Feishu bot messaging and remote control for Claude Code and terminals.
Search IMAP mailboxes from the command line using mutt-style patterns.
trae-bbs-cli is a CLI for interacting with the agent-friendly forum interface at bbs.trae.show.
Fluxer is a free and open source instant messaging and VoIP chat app for friends, groups, and communities.
Bouncer filters unwanted content from your X (Twitter) feed using AI and browser extension.
KINGRT is an open-source video collaboration platform for self-hosted video calls and team meetings.
ContextWeave provides context-aware document translation with glossary management for developers.
CLI for a-a.chat forum (forum.a-a.chat) via Discourse User API
ultichat is a terminal-based anonymous real-time chat system powered by Firebase.
Lurker is a modern, always-on IRC client and bouncer that keeps users connected and preserves chat history.
ghostmeet is an open-source AI meeting assistant providing live captions and summaries locally on your machine.
freq-cli is a secure, stateless TUI chat and voice tool for terminal-based communication.
pytuichat is a terminal-based messaging app for users on the same server.
Terminal-based translation tool with TUI interface
Single-workspace Zulip CLI toolkit for humans and AI agents — read, write, archive, and grep one Zulip workspace from the shell.
django-po-tools is a CLI tool for Django translation management and auto-translation.
beko-translate is an open-source CLI translation tool with PDF translation support.
LastSignal is a self-hosted dead man's switch for delivering encrypted messages if the user becomes unresponsive.
CLI tool to download Gmail messages matching configurable filters via OAuth2
P2P end-to-end encrypted terminal chat with AI integration
FreeFrame is an open-source collaborative media review and approval platform for creative teams.
<p> Mattermost is a secure collaboration platform that is open, flexible, and deeply integrated with the tools you love.
Migrate Discord servers to Stoat (formerly Revolt)
Apple Mail MCP server with full-coverage FTS5 body search.
BellamyBook is a self-hosted platform for building your own social network.
ztx-calendar is a CLI tool for running a calendar bot on Telegram.
wagtail-localize-dashboard adds a translation dashboard with caching for wagtail-localize projects.
Easydict for Windows is a free and open-source translation tool built for speed and power — now with on-device Windows AI for Copilot+ PCs.
The dog that barked when messages arrived.
Nodyx is a free, self-hosted, decentralized community platform with forums, chat, and events.
Holos turns your device into a personal ActivityPub server for federated social networking.
transpaste is a local LLM-based clipboard translator for desktop environments.
OpenDescent is a peer-to-peer, encrypted messaging and calling app for private communication.
OpenMessage unifies Google Messages, WhatsApp, and Signal into a single local inbox with AI-native features.
Unified social media management - posting, analytics, and insights
Next-generation SchildiChat Matrix messenger based on Element X
Aerion is an open source lightweight email client for Linux, macOS, and Windows.
Forwards SMS messages to SMTP (Email) server
PuzzleSync is a modular multilingual content manager for WordPress focused on performance and SEO.