head to head · open source
OpenBB vs nightingale
OpenBB has 73,153 GitHub stars, 7,565 forks, 117 open issues and last shipped yesterday. nightingale has 1,463 stars, 105 forks, 13 open issues and last shipped 13 days ago. OpenBB leads on adoption by 4,900% (73,153 vs 1,463 stars). OpenBB is written in Python under a custom or non-standard licence; nightingale is written in TypeScript under GPL-3.0. OpenBB has attracted 10% as many forks as stars, nightingale 7%. OpenBB was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, machine-learning), so they are genuine substitutes rather than adjacent tools.
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
| OpenBB | nightingale | |
|---|---|---|
| GitHub stars | ★ 73K | ★ 1.5K |
| License | Custom / other | GPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-05 |
| Forks | ⑂ 7.6K | ⑂ 105 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenBB if
- You weight community size — 73K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 OpenBB
OpenBB is an open source data platform for investment professionals, built as the Open Data Platform (ODP) and extended by the OpenBB Workspace UI. It lives in the quantitative finance and AI agent ecosystem, integrating equity, crypto, derivatives, fixed income, economics, and options data from proprietary, licensed, and public sources.
read the full OpenBB 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 OpenBB or nightingale more popular?
OpenBB has 73,153 GitHub stars and nightingale has 1,463. OpenBB has the larger community by that measure.
Are OpenBB and nightingale free?
Both are open source. OpenBB has no licence declared in this registry, and nightingale is licensed under GPL-3.0. Both are free to self-host.
What is the difference between OpenBB and nightingale?
OpenBB is written in Python 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, OpenBB or nightingale?
Choose OpenBB if you want the larger community (73,153 stars) or its Custom / other licence terms. Choose nightingale if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.