head to head · open source
taipy vs LangWatch
taipy has 19,436 GitHub stars, 1,993 forks, 225 open issues and last shipped 1 months ago. LangWatch has 4,833 stars, 395 forks, 939 open issues and last shipped 2 days ago. taipy leads on adoption by 302% (19,436 vs 4,833 stars). taipy is written in Python under Apache-2.0; LangWatch is written in TypeScript under Apache-2.0. taipy has attracted 10% as many forks as stars, LangWatch 8%. LangWatch 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
| taipy | LangWatch | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 4.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-08-10 | 2026-09-19 |
| Forks | ⑂ 2.0K | ⑂ 395 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick taipy if
- You weight community size — 19K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick LangWatch if
- You want the LangWatch feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and LangWatch fits your workflow better
About taipy
Taipy is an open source Python library and ecosystem for building data and AI driven web applications. It is designed for data scientists and machine learning engineers who want to turn data and AI algorithms into production ready web applications, and it lives in the Python ecosystem under the Apache 2.0 license. The project is maintained by Avaiga Private Limited and has been developed over roughly five years, with the repository showing 19,435 stars, 1,993 forks, and 225 open issues at the time of writing.
read the full taipy overview →
About LangWatch
LangWatch is an open source TypeScript platform for LLM evaluations and AI agent testing, licensed under Apache 2.0. It lives in the machine learning infrastructure ecosystem for teams that build LLM powered agents and need to test, simulate, evaluate, and monitor agents before release and in production.
read the full LangWatch overview →
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Frequently asked questions
Is taipy or LangWatch more popular?
taipy has 19,436 GitHub stars and LangWatch has 4,833. taipy has the larger community by that measure.
Are taipy and LangWatch free?
Both are open source. taipy is licensed under Apache-2.0 and LangWatch under Apache-2.0. Neither carries a licence fee.
What is the difference between taipy and LangWatch?
taipy is written in Python and LangWatch 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, taipy or LangWatch?
Choose taipy if you want the larger community (19,436 stars) or its Apache-2.0 licence terms. Choose LangWatch if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.