Freemium
Langfuse
Open SourceAgent & LLM Frameworks · AI for Developers
Open-source LLM observability: traces, evals and prompt management.
aiobservabilityevaluationprompts
Discover the 14 best self-hosted tools for ai for developers. Host on your own servers, keeping data private and under your control. Curated, compared, and updated for developers.
| Tool | Pricing | Platforms | Top Strength | Link |
|---|---|---|---|---|
| Langfuse | freemium | web | Open-source LLM observability: traces, evals and prompt management. | Details → |
| Qdrant | freemium | web | Fast vector search with payload filtering in one self-hostable binary | Details → |
| Weaviate | freemium | web | Open-source vector database with hybrid search and modules. | Details → |
| Milvus | freemium | web | Highly scalable open-source vector database for billion-scale search. | Details → |
| Open WebUI | freemium | web | Self-hosted ChatGPT-style UI for Ollama and OpenAI-compatible APIs. | Details → |
| LibreChat | freemium | web | Open-source, multi-provider chat UI with agents and artifacts. | Details → |
| LobeChat | freemium | web | Open-source AI chat framework with plugins and agent marketplace. | Details → |
| AnythingLLM | freemium | desktop, web | All-in-one desktop + docker app for chatting with your documents. | Details → |
| Dify | freemium | web | Open-source LLM app platform: agents, workflows and RAG (trending). | Details → |
| Flowise | freemium | web | Drag-and-drop builder for LLM apps and agents on LangChain. | Details → |
Showing top 10 of 14. Browse the full grid below.
Agent & LLM Frameworks · AI for Developers
Open-source LLM observability: traces, evals and prompt management.
Vector Databases · AI for Developers
Open-source vector database written in Rust, with cloud offering.
Vector Databases · AI for Developers
Open-source vector database with hybrid search and modules.
Vector Databases · AI for Developers
Highly scalable open-source vector database for billion-scale search.
Models & LLM APIs · AI for Developers
Self-hosted ChatGPT-style UI for Ollama and OpenAI-compatible APIs.
Models & LLM APIs · AI for Developers
Open-source, multi-provider chat UI with agents and artifacts.
Models & LLM APIs · AI for Developers
Open-source AI chat framework with plugins and agent marketplace.
Agent & LLM Frameworks · AI for Developers
All-in-one desktop + docker app for chatting with your documents.
Agent & LLM Frameworks · AI for Developers
Open-source LLM app platform: agents, workflows and RAG (trending).
Agent & LLM Frameworks · AI for Developers
Drag-and-drop builder for LLM apps and agents on LangChain.
Agent & LLM Frameworks · AI for Developers
Fair-code workflow automation with native AI agent nodes.
Agent & LLM Frameworks · AI for Developers
Node-graph UI for Stable Diffusion and other generative models.
AI Coding Assistants · AI for Developers
Self-hosted AI coding assistant — code completion on your own hardware with your own models, no data leaves.
Agent & LLM Frameworks · AI for Developers
Open-source LLM observability — logging, caching, rate limiting and cost tracking behind a one-line proxy.