head to head · open source
fastapi vs open-connector
fastapi has 104,566 GitHub stars, 10,179 forks, 78 open issues and last shipped yesterday. open-connector has 6,163 stars, 586 forks, 0 open issues and last shipped yesterday. fastapi leads on adoption by 1,597% (104,566 vs 6,163 stars). fastapi is written in Python under MIT; open-connector is written in TypeScript under a custom or non-standard licence. fastapi has attracted 10% as many forks as stars, open-connector 10%. fastapi was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| fastapi | open-connector | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 6.2K |
| License | MIT | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 586 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 105K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick open-connector if
- You want the open-connector feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and open-connector fits your workflow better
About fastapi
FastAPI framework, high performance, easy to learn, fast to code, ready for production Documentation : Source Code : FastAPI is a modern, fast (high performance), web framework for building APIs with Python based on standard Python type hints. The key features are: Fast : Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). One of the fastest Python frameworks available. Fast to code : Increase the speed to develop features by about 200% to 300%. Fewer bugs : Reduce about 40% of human (developer) induced errors. Intuitive : Great editor support. Completion everywhere. Less time…
read the full fastapi overview →
About open-connector
English 简体中文 繁體中文 日本語 한국어 Русский Français Español OpenConnector is an open source connector gateway for AI agents and an alternative to Pipedream/Composio. Connect user app accounts once, then expose a shared catalog of 1,000+ providers and 10,000+ prebuilt Actions to agents and applications. Managed OAuth and hosted runtime, ready to use. No deployment or OAuth app setup. Run locally or on your own infrastructure with Docker or Node.js. You manage storage and OAuth apps. Cloudflare , Fly.io , RepoCloud , nibrun , and more. 🚀 OOMOL Hosted Self host More platforms Use the Connector SDK from app code, oo CLI as…
read the full open-connector overview →
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Frequently asked questions
Is fastapi or open-connector more popular?
fastapi has 104,566 GitHub stars and open-connector has 6,163. fastapi has the larger community by that measure.
Are fastapi and open-connector free?
Both are open source. fastapi is licensed under MIT, and open-connector has no licence declared in this registry. Both are free to self-host.
What is the difference between fastapi and open-connector?
fastapi is written in Python and open-connector in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, fastapi or open-connector?
Choose fastapi if you want the larger community (104,566 stars) or its MIT licence terms. Choose open-connector if its feature set, stack or Custom / other licence fits better. Both are self-hostable.