head to head · open source
nextai-translator vs thorium
nextai-translator has 24,985 GitHub stars, 1,850 forks, 529 open issues and last shipped 15 days ago. thorium has 7,508 stars, 283 forks, 140 open issues and last shipped 26 days ago. nextai-translator leads on adoption by 233% (24,985 vs 7,508 stars). nextai-translator is written in TypeScript under AGPL-3.0; thorium is written in C++ under BSD-3-Clause. nextai-translator has attracted 7% as many forks as stars, thorium 4%. nextai-translator 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
| nextai-translator | thorium | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 7.5K |
| License | AGPL-3.0 | BSD-3-Clause |
| Written in | TypeScript | C++ |
| Last push | 2026-09-03 | 2026-08-23 |
| Forks | ⑂ 1.9K | ⑂ 283 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nextai-translator if
- You weight community size — 25K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick thorium if
- You want the thorium feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and thorium fits your workflow better
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 →
About thorium
Thorium is a BSD 3 Clause licensed Chromium fork, written in C++ and named after radioactive element No. 90, that ships optimised Linux builds here while Windows, macOS, Android and Raspberry Pi builds live in companion repositories.
read the full thorium overview →
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Frequently asked questions
Is nextai-translator or thorium more popular?
nextai-translator has 24,985 GitHub stars and thorium has 7,508. nextai-translator has the larger community by that measure.
Are nextai-translator and thorium free?
Both are open source. nextai-translator is licensed under AGPL-3.0 and thorium under BSD-3-Clause. Neither carries a licence fee.
What is the difference between nextai-translator and thorium?
nextai-translator is written in TypeScript and thorium 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, nextai-translator or thorium?
Choose nextai-translator if you want the larger community (24,985 stars) or its AGPL-3.0 licence terms. Choose thorium if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.