head to head · open source
openseo vs nightingale
openseo has 19,046 GitHub stars, 2,447 forks, 161 open issues and last shipped yesterday. nightingale has 1,463 stars, 105 forks, 13 open issues and last shipped 13 days ago. openseo leads on adoption by 1,202% (19,046 vs 1,463 stars). openseo is written in TypeScript under MIT; nightingale is written in TypeScript under GPL-3.0. openseo has attracted 13% as many forks as stars, nightingale 7%. openseo 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
| openseo | nightingale | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 1.5K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-05 |
| Forks | ⑂ 2.4K | ⑂ 105 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openseo if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick nightingale if
- You want the nightingale feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and nightingale fits your workflow better
About openseo
OpenSEO is an open source SEO tool written in TypeScript under the MIT license. It is an alternative to paid SEO platforms such as Semrush and Ahrefs, and it lives in the open source SEO tooling ecosystem. The project provides a hosted option, self hosting paths, and an MCP server for agent use.
read the full openseo overview →
About nightingale
Nightingale is a machine learning powered karaoke application that turns songs from a personal music library into scored karaoke sessions. It scans folders, Plex Media Server, Jellyfin server, Navidrome server, or a self hosted web library, then separates vocals, transcribes lyrics, and plays the result with synchronized highlighting and pitch scoring.
read the full nightingale overview →
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Frequently asked questions
Is openseo or nightingale more popular?
openseo has 19,046 GitHub stars and nightingale has 1,463. openseo has the larger community by that measure.
Are openseo and nightingale free?
Both are open source. openseo is licensed under MIT and nightingale under GPL-3.0. Neither carries a licence fee.
What is the difference between openseo and nightingale?
openseo is written in TypeScript and nightingale 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, openseo or nightingale?
Choose openseo if you want the larger community (19,046 stars) or its MIT licence terms. Choose nightingale if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.