Open Source Ai
A curated catalog of open-source and source-available projects for building AI agents and LLM apps, maintained by CodesbyFebin. This repository contains metadata, comparisons and recipes – not upstream source code. Each project is owned and licensed by its own maintainers.
70 projects · 14 categories · evidence refreshed weekly (freshness report)
- 🔎 Search & filter the catalog
- 🧪 Recipes – composed stacks with honest test status
- 📏 Selection criteria
| Category | What it covers | Projects |
|---|---|---|
| Gateways & LLM Routing | OpenAI-compatible gateways, routers, guardrail firewalls and free-LLM aggregators. | 6 |
| Chat UIs | Self-hosted ChatGPT-style interfaces. | 4 |
| Local Models & Runtimes | Run LLMs on your own laptop or server. | 6 |
| Inference & Serving | High-throughput production model serving on GPUs. | 4 |
| Memory | Long-term memory layers for agents and assistants. | 4 |
| Agent Frameworks | Libraries for building single and multi-agent systems. | 7 |
| Coding Agents | AI pair programmers and autonomous software agents. | 5 |
| Code Review | Automated AI pull-request review. | 2 |
| Low-code App Builders | Visual builders for LLM apps, agents and workflows. | 4 |
| RAG & Vector Databases | Retrieval frameworks, document pipelines and vector stores. | 7 |
| Evaluation & Observability | Tracing, evaluations and prompt management. | 4 |
| Backend & Infra | Backends, databases and auth for AI products. | 3 |
| App Templates & Examples | Ready-made AI apps and examples to copy. | 1 |
| CodesbyFebin Collection | Hand-picked agent tools, MCP servers and experiments. | 13 |