head to head · open source
fastapi vs concord
fastapi has 102,409 GitHub stars, 9,906 forks, 78 open issues and last shipped 4 days ago. concord has 651 stars, 42 forks, 18 open issues and last shipped 1 months ago. fastapi leads on adoption by 15,631% (102,409 vs 651 stars). fastapi is written in Python under MIT; concord is written in C under MIT. fastapi has attracted 10% as many forks as stars, concord 6%. 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 | concord | |
|---|---|---|
| GitHub stars | ★ 102K | ★ 651 |
| License | MIT | MIT |
| Written in | Python | C |
| Last push | 2026-09-14 | 2026-08-11 |
| Forks | ⑂ 9.9K | ⑂ 42 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 102K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick concord if
- You want the concord feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C
- You evaluated both and concord fits your workflow better
About fastapi
FastAPI is an MIT licensed, high performance Python web framework for building APIs with standard Python type hints, aimed at Python developers and teams that need production ready HTTP services with automatic OpenAPI documentation.
read the full fastapi overview →
About concord
[migrating shield]: [migrating link]: [migrating orca link]: [discord shield]: [discord invite]: [discord config init]: [discord config get field]: Concord C Discord API library [ ![discord shield][] ][discord invite] [ ![migrating shield][] ][migrating link] 🚨 Concord is not dead! 🚨 Development has been happening in the dev branch. We are working on new features and improvements. To access the latest version of the library, please check out the dev branch. About Concord is an asynchronous C99 Discord API library with minimal external dependencies, and a low level translation of the Discord official documentati…
read the full concord overview →
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Frequently asked questions
Is fastapi or concord more popular?
fastapi has 102,409 GitHub stars and concord has 651. fastapi has the larger community by that measure.
Are fastapi and concord free?
Both are open source. fastapi is licensed under MIT and concord under MIT. Neither carries a licence fee.
What is the difference between fastapi and concord?
fastapi is written in Python and concord in C. 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 concord?
Choose fastapi if you want the larger community (102,409 stars) or its MIT licence terms. Choose concord if its feature set, stack or MIT licence fits better. Both are self-hostable.