head to head · open source
lux vs ff-ruyijs
lux has 31,818 GitHub stars, 3,329 forks, 545 open issues and last shipped 7 months ago. ff-ruyijs has 537 stars, 274 forks, 3 open issues and last shipped yesterday. lux leads on adoption by 5,825% (31,818 vs 537 stars). lux is written in Go under MIT; ff-ruyijs is written in C++ under AGPL-3.0. lux has attracted 10% as many forks as stars, ff-ruyijs 51%. ff-ruyijs 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
| lux | ff-ruyijs | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 537 |
| License | MIT | AGPL-3.0 |
| Written in | Go | C++ |
| Last push | 2026-03-29 | 2026-11-02 |
| Forks | ⑂ 3.3K | ⑂ 274 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lux if
- You weight community size — 32K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick ff-ruyijs if
- You want the ff-ruyijs feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches C++
- You evaluated both and ff-ruyijs fits your workflow better
About lux
Lux Let there be Lux! 👾 Lux is a fast and simple video downloader built with Go. Installation Prerequisites Install via go install Homebrew (macOS only) Arch Linux Void Linux Scoop on Windows Chocolatey on Windows Cask on Windows/macOS/Linux Getting Started Download a video Download anything else Download playlist Multiple inputs Resume a download Auto retry Cookies Proxy Multi Thread Short link bilibili Use specified Referrer Specify the output path and name Debug Mode Reuse extracted data Options Download: Network: Playlist: Filesystem: Subtitle: Youku: aria2: Supported Sites Known issues 优酷 西瓜/头条视频…
About ff-ruyijs
🦊 ruyiJS Run any site's JavaScript from Python — with the real Firefox engine. A new generation, minimalist browser purpose built for AI driven automation. The authentic Firefox JavaScript engine and networking stack, with no window and no renderer — made for web scraping, JS reverse engineering, data collection, and getting past bot checks. Sponsored by Contributors Install · Features · Verification systems · Examples · FAQ · Contact · LinuxDO · English · 简体中文 ⚠️ Disclaimer: This project is for researching next generation AI browsers. Any form of brute force reverse engineering is strictly rejected. The source…
read the full ff-ruyijs overview →
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Frequently asked questions
Is lux or ff-ruyijs more popular?
lux has 31,818 GitHub stars and ff-ruyijs has 537. lux has the larger community by that measure.
Are lux and ff-ruyijs free?
Both are open source. lux is licensed under MIT and ff-ruyijs under AGPL-3.0. Neither carries a licence fee.
What is the difference between lux and ff-ruyijs?
lux is written in Go and ff-ruyijs 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, lux or ff-ruyijs?
Choose lux if you want the larger community (31,818 stars) or its MIT licence terms. Choose ff-ruyijs if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.