Top COMMUNICATION GitHub Repositories & Tools (2026)

Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks from beginner to power user!

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

🛡 I2P: End-to-End encrypted and anonymous Internet

A fully-featured team and group chat application that you can easily selfhost.

Communication infrastructure for the AI era — one binary, one broker, one storage layer, any protocol

Open Source Discussions Platform for Remote Teams

Jitsi Meet mobile SDK examples (Android, iOS and React Native)

The Open Source Computer Aided Dispatch (CAD), Personnel, Shift Management, Automatic Vehicle Location (AVL) and Emergency Management Platform that powers Resgrid.com

Democratizing AI scientists with ToolUniverse

A rclcpp-compatible true zero-copy IPC middleware that supports all ROS message types, including message structs already generated by rosidl.

Grid Solutions Framework

A Blazingly Fast Minimal Serial Monitor with serial plottter TUI and more

📱 Wire for iOS (iPhone and iPad)

Let your AI coding sessions talk to each other. Coordinate parallel work, exchange reviews, and hand off unfinished work between Claude Code, Codex, and other supported clients. Local-first. Independent sessions.

MikoPBX — free open-source PBX for small business, built on Asterisk 22, PHP 8.4, and Phalcon 5. Deploy as ISO, Docker, LXC, or in the cloud.