Top COLLABORATION GitHub Repositories & Tools (2026)

Virtual whiteboard for sketching hand-drawn like diagrams

AI-native design editor. Open-source Figma alternative.

The AI Org-OS — a collaborative platform for humans and agents. Explore: https://spaces.xyne.ai

☁️ Nextcloud server, a safe home for all your data

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

Share coding agents with your team on phone and desktop

Project AirSim is Microsoft's evolution of AirSim, an advanced simulation platform for building, training, and testing autonomous systems in high-fidelity virtual environments

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

OpenAgents - The collaboration OS for AI agents

Rooms for people and agents.

Document Store for collaborative applications

Dradis Framework: Collaboration and reporting for IT Security teams

📑 Collaborative document editing using Markdown

The open-source context layer for your AI. Catalog your tables, topics, queues and APIs then expose real metadata to your AI agents.

Open Source Discussions Platform for Remote Teams

Mindmapping made simple: Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate on mindmaps.

Reconmap is a collaboration-first security operations platform for infosec teams and MSSPs, enabling end‑to‑end engagement management, from reconnaissance through execution and reporting. With built-in command automation, output parsing, and AI‑assisted summaries, it delivers faster, more structured, and high‑quality security assessments.

Group Office groupware and CRM

Opensource FinTech standards & payment provider data