multiplayer — independent software & tools

6 independent multiplayer listings the big search engines bury.

• omadia

  github · Free · by byte5ai

  Self-hostable agentic OS. Build, run & audit multi-agent AI teams from signed plugins. Bring your own LLM key, own all your data, EU/GDPR-ready.

• canvas-sync

  github · Free · by Kobinalachris

  Real-Time Collaborative Diagram Tool 2026 🚀 | Miro & Figma Alternative

• BlocksBeyondTheStars

  github · Free · by marceld23

  A block-based 3D space crafting game: explore procedurally generated planets across many star systems, mine and craft, tame creatures, build ships, bases and your own space stations — solo or with friends. Open-source .NET server + Unity client, self-hostable.

• Kraken-Space-Program

  github · Free · by nongregarious-resistingarrest733

  Build aerospace rockets in this open-source, community-driven space flight simulator featuring native multiplayer and modular physics.

• @geckos.io/server

  npm · Free · by yandeu

  Real-time client/server communication over UDP using WebRTC and Node.js

• hytopia

  npm · Free · by hytopia

  The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.