head to head · open source
serenity vs nextai-translator
serenity has 33,840 GitHub stars, 3,541 forks, 739 open issues and last shipped yesterday. nextai-translator has 24,985 stars, 1,850 forks, 529 open issues and last shipped 15 days ago. serenity leads on adoption by 35% (33,840 vs 24,985 stars). serenity is written in C++ under BSD-2-Clause; nextai-translator is written in TypeScript under AGPL-3.0. serenity has attracted 10% as many forks as stars, nextai-translator 7%. serenity 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
| serenity | nextai-translator | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 25K |
| License | BSD-2-Clause | AGPL-3.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-09-17 | 2026-09-03 |
| Forks | ⑂ 3.5K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick serenity if
- You weight community size — 34K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick nextai-translator if
- You want the nextai-translator feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and nextai-translator fits your workflow better
About serenity
SerenityOS is a graphical Unix like operating system built for 64 bit x86, Arm, and RISC V computers. It is written in C++ and released under the BSD 2 Clause license, and it lives in the open source operating system ecosystem alongside other hobbyist and research kernels. The project describes itself as a love letter to 1990s user interfaces paired with a custom Unix like core, aiming for a marriage between the aesthetic of late 1990s productivity software and the power user accessibility of late 2000s Unix systems.
read the full serenity overview →
About nextai-translator
NextAI Translator is an open source, AGPL 3.0 licensed browser extension and cross platform desktop application that performs selected text translation, polishing, and summarization through the ChatGPT API, and it is aimed at readers, writers, and developers who want all three of those operations available on Windows, macOS, and Linux rather than on a single platform.
read the full nextai-translator overview →
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Frequently asked questions
Is serenity or nextai-translator more popular?
serenity has 33,840 GitHub stars and nextai-translator has 24,985. serenity has the larger community by that measure.
Are serenity and nextai-translator free?
Both are open source. serenity is licensed under BSD-2-Clause and nextai-translator under AGPL-3.0. Neither carries a licence fee.
What is the difference between serenity and nextai-translator?
serenity is written in C++ and nextai-translator 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, serenity or nextai-translator?
Choose serenity if you want the larger community (33,840 stars) or its BSD-2-Clause licence terms. Choose nextai-translator if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.