Open source alternatives to Forge
50 open source AI apps to use instead, best rated first.
Top picks
- O

Open WebUI
LaunchSelf-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
- A

AutoGPT
LaunchPlatform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.
- P

pi
LaunchTerminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
- A

AFFiNE
LaunchAn open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
- A

aider
LaunchTerminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.
- A

AppFlowy
LaunchOpen source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
More AI apps
About Forge
Forge
Forge is a self-hosted middleware that unifies access to multiple AI model…
Forge is a self-hosted middleware that unifies access to multiple AI model providers (like OpenAI, Anthropic) via a single API. It supports OpenAI-compatible interfaces, encrypted API key management, and easy integration into existing tools and frontends. Built for security, scalability, and extensibility.
- Price
- Free
- Made by
- TensorBlock
- Category
- AI
- Website
- tensorblock.co



