Top Open Source AI App & Website Builders Tools in 2026
A curated collection of the 14 best free and open-source AI App & Website Builders tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Dyad
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.
Stars21,322Last commit10d agoLicenseOpen Source
Activeloop
Continual Learning Infrastructure for AI Agents
Stars9,228Last commit3mo agoLicenseApache-2.0
Pixelfed
Decentralized photo sharing platform
Stars7,072Last commit11d agoLicenseAGPL-3.0
Pipeshub
Open-source enterprise AI with explainable search
Stars3,694Last commit10d agoLicenseApache-2.0OpenComputer
Deploy AI agents as TypeScript functions with Linux VMs
Stars499Last commit12d agoLicenseApache-2.0Onyx
Open-source enterprise search & AI assistant
Stars31,787Last commit11d agoLicenseOpen Source
MDMA
Generative UI from Markdown for LLMs
Stars64Last commit27d agoLicenseMITGiselle
Visual AI app builder for product teams
Stars553Last commit1mo agoLicenseApache-2.0
Frontman
AI website editor for existing sites
Stars679Last commit10d agoLicenseOpen SourceFincept Terminal
Private AI research terminal with quant lab and dataroom
Stars30,701Last commit17d agoLicenseOpen Source
Dify
Build and deploy agentic workflows with AI
Stars153,656Last commit10d agoLicenseOpen Source
5ire
Open-source desktop AI assistant with MCP support
Stars5,347Last commit1mo agoLicenseOpen SourceRork
AI-powered cross-platform app builder
Stars—Last commitRecentlyLicenseOpen Source
Loops
Federated open-source short-video platform
Stars444Last commit19d agoLicenseAGPL-3.0
