Open source focus

Open Source Alternatives to Jest

9 open source Gaming options similar to Jest, 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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MCP.so10
Developer Tools
A community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
Nomic AI59
AI Infrastructure StackNew York City, United States$19.0M
Nomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.
Open source · Self-hostable
Omnivore23
Consumer App
A free and open-source read-it-later service with AI-powered features and integrations.
Open source · Self-hostable
Signal9
MessagingWashington, United States
End-to-end encrypted messaging and voice calling app focused on privacy and security.
Open source
Comfy Org53
AI Image Generation$30.0M
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
Heroic Labs47
GamingLisbon, Portugal
Social infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
GitHits45
Developer ToolsHelsinki, Finland$1.5M
The Google of code search for open-source.
Open source · Self-hostable
RepoRank 13
Open Source
Real-time discovery platform for open source and emerging products, surfacing what's gaining traction.
Open source · Self-hostable
Sales & Dungeons
Gaming
Turn every thermal printer into a TTRPG companion machine!
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
MCP.soA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.	Developer Tools	Open source · Self-hostable	—	—	10
Nomic AINomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.	AI Infrastructure Stack	Open source · Self-hostable	New York City, United States	$19.0M	59
OmnivoreA free and open-source read-it-later service with AI-powered features and integrations.	Consumer App	Open source · Self-hostable	—	—	23
SignalEnd-to-end encrypted messaging and voice calling app focused on privacy and security.	Messaging	Open source	Washington, United States	—	9
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.	AI Image Generation	Open source	—	$30.0M	53
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Gaming	Open source · Self-hostable	Lisbon, Portugal	—	47
GitHitsThe Google of code search for open-source.	Developer Tools	Open source · Self-hostable	Helsinki, Finland	$1.5M	45
RepoRank Real-time discovery platform for open source and emerging products, surfacing what's gaining traction.	Open Source	Open source · Self-hostable	—	—	13
Sales & DungeonsTurn every thermal printer into a TTRPG companion machine!	Gaming	Open source · Self-hostable	—	—	—