Open source focus
Open Source Alternatives to Playgaffer
4 open source Game Development options similar to Playgaffer, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
KiloClaw54Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
RelAI51Agentic AISan Francisco, United States$6.9MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
GDevelop7Computer GamesLondon, GBNo-code game development platform empowering creators to build games without prior technical skills.
Open source
Heroic Labs47GamingLisbon, PortugalSocial infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools. | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| RelAIAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents. | Agentic AI | Open source · Self-hostable | San Francisco, United States | $6.9M | 51 | |
| GDevelopNo-code game development platform empowering creators to build games without prior technical skills. | Computer Games | Open source | London, GB | — | 7 | |
| Heroic LabsSocial infrastructure for games, makers of Nakama game server. | Gaming | Open source · Self-hostable | Lisbon, Portugal | — | 47 |