Open source focus

Open Source Alternatives to Galleryforge

7 open source Generative AI options similar to Galleryforge, 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 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
Velorn12
AI Video Generation
AI-native video editing and generative production tools built around a creative timeline.
Open source
Hugging Face76
AINew York, United States$395.2M
Hugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
Backstage57
Developer ToolsStockholm, Sweden$63.0M
An open-source developer portal for building and managing software.
Open source · Self-hostable
Heroic Labs47
GamingLisbon, Portugal
Social infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
NA
Natron27
Visual Effects$166.0M
Free and open-source compositing software for visual effects, motion graphics, and digital paint.
Open source
Posestudio8
3D Modeling
An open-source project building a free, powerful software for creating 3D characters and scenes with a unified creative workflow.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
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
VelornAI-native video editing and generative production tools built around a creative timeline.	AI Video Generation	Open source	—	—	12
Hugging FaceHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.	AI	Open source · Self-hostable	New York, United States	$395.2M	76
BackstageAn open-source developer portal for building and managing software.	Developer Tools	Open source · Self-hostable	Stockholm, Sweden	$63.0M	57
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Gaming	Open source · Self-hostable	Lisbon, Portugal	—	47
NANatronFree and open-source compositing software for visual effects, motion graphics, and digital paint.	Visual Effects	Open source	—	$166.0M	27
PosestudioAn open-source project building a free, powerful software for creating 3D characters and scenes with a unified creative workflow.	3D Modeling	Open source · Self-hostable	—	—	8