Hugging Face Transformers
Self-Hosted AIState-of-the-art machine learning model library
Replaces OpenAI API
The 24 best Plugins self-hosted ai you can self-host, ranked by community traction.
State-of-the-art machine learning model library
Replaces OpenAI API
Visual framework for building AI agents and RAG pipelines
Replaces Vertex AI Agent Builder
Open-source platform for building production LLM apps
Replaces OpenAI Assistants, Vertex AI Agent Builder
LLM toolkit for research, papers, and code analysis
Replaces ChatGPT
Autonomous coding agent for your editor
Replaces GitHub Copilot, Cursor
All-in-one desktop and server RAG application
Replaces ChatGPT, NotebookLM
Drag-and-drop builder for LLM apps and AI agents
Replaces Vertex AI Agent Builder
Gradio web UI for running and tuning local text models
Replaces ChatGPT
Opinionated RAG framework for your second brain
Replaces NotebookLM
Customizable frontend for AI character roleplay
Replaces Character.AI
AI assistant connected to your company's knowledge
Replaces Glean, ChatGPT Enterprise
Framework for building production-ready LLM applications
Replaces LangChain
Customizable AI dev team inside VS Code
Replaces GitHub Copilot, Cursor
Framework for building contextual text and voice assistants
Replaces Dialogflow, Amazon Lex
Open-source personal AI assistant you can self-host
Replaces Google Assistant, Alexa
Build and evaluate LLM application flows
Replaces LangSmith, Vertex AI
Composable API server for building generative AI applications
Replaces OpenAI API
Advanced all-in-one generative image and video studio
Replaces Midjourney
Hub for many AI models with a personality system
Replaces ChatGPT
Modular framework for production-ready RAG systems
Replaces LangChain
Framework for synthetic data generation and AI feedback
Replaces Scale AI
Framework for building AI assistants with memory and plugins
Replaces OpenAI Assistants
DSPy-inspired framework for building typed LLM programs
Replaces DSPy
Polished web UI for ChatGPT, DALL-E and other AI models
Replaces ChatGPT
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Every option here is open-source and self-hostable, tagged Plugins within the self-hosted ai category. Compare them on the individual app pages for setup difficulty and resource requirements.