Open source focus

Open Source Alternatives to ModRetro

7 open source Gaming options similar to ModRetro, 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.

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Comfy Org
Not rated
Comfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Pollen Robotics
Not rated
Pioneering accessible, open-source physical robots and AI-powered application development.
Open source · Self-hostable
Defcon
Not rated
The Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
Heroic Labs
Not rated
Social infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
Arduino
Not rated
Open-source hardware and software company providing microcontrollers and kits for digital devices.
Open source · Self-hostable
CL
Clawdmeter
Not rated
Tiny desktop dashboard for Claude Code usage stats.
Open source · Self-hostable
Sales & Dungeons
Not rated
Turn every thermal printer into a TTRPG companion machine!
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
Comfy OrgComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.	Open source	-	Not rated	-
Pollen RoboticsPioneering accessible, open-source physical robots and AI-powered application development.	Open source · Self-hostable	-	Not rated	-
DefconThe Defcon badges feature a unique open-source chip that doubles as a security key.	Open source	-	Not rated	-
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Open source · Self-hostable	-	Not rated	-
ArduinoOpen-source hardware and software company providing microcontrollers and kits for digital devices.	Open source · Self-hostable	-	Not rated	-
CLClawdmeterTiny desktop dashboard for Claude Code usage stats.	Open source · Self-hostable	-	Not rated	-
Sales & DungeonsTurn every thermal printer into a TTRPG companion machine!	Open source · Self-hostable	-	Not rated	-