Open Source Projects tagged "Messaging"
A curated collection of the best open source projects tagged "Messaging". Each listing includes a website screenshot along with a detailed review of its features.
Team chat with email, tasks, and docs in one workspace
Stars
Stars growing over the last 30 days4,778Last commit
3 hours agoLicense
AGPL-3.0
Team chat app with inline threads, mention-based sharing, a unified inbox for chat and email, and an AI agent that works across your full workspace.
Open Source Alternative to:
Markdown docs wired into tasks, email, and agents
Stars
Stars growing over the last 30 days4,778Last commit
3 hours agoLicense
AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Open Source Alternative to:
A self-building CRM powered by your email
Stars
Stars growing over the last 30 days4,778Last commit
3 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
Task management with GitHub sync and AI agents for devs
Stars
Stars growing over the last 30 days4,778Last commit
3 hours agoLicense
AGPL-3.0
Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
Stars growing over the last 30 days4,778Last commit
3 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
S3-based serverless Kafka reinvented for cost efficiency
Stars
10,916Last commit
1 day agoLicense
Apache-2.0
AutoMQ is a serverless Kafka alternative built on S3 that offers 10x cost savings, easy scalability, and full Kafka compatibility.
Open Source Alternative to:
Messaging SDK with AI agents for web, iOS, and Android
Stars
551Last commit
6 hours agoLicense
Apache-2.0
Build branded chat apps with AI agents, group messaging, document exchange, and digital wallets using React and React Native components.
Open Source Alternative to:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
Openlane