head to head · open source
Invidious vs JJazzLab
Invidious has 25,830 GitHub stars, 2,896 forks, 480 open issues and last shipped yesterday. JJazzLab has 608 stars, 49 forks, 26 open issues and last shipped yesterday. Invidious leads on adoption by 4,148% (25,830 vs 608 stars). Invidious is written in Crystal under AGPL-3.0; JJazzLab is written in Java under LGPL-2.1. Invidious has attracted 11% as many forks as stars, JJazzLab 8%. JJazzLab 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
| Invidious | JJazzLab | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 608 |
| License | AGPL-3.0 | LGPL-2.1 |
| Written in | Crystal | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.9K | ⑂ 49 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Invidious if
- You weight community size — 26K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Crystal
- You value the larger contributor base for long-term maintenance
pick JJazzLab if
- You want the JJazzLab feature set and don't need the biggest community
- You prefer the LGPL-2.1 license terms
- Your stack matches Java
- You evaluated both and JJazzLab fits your workflow better
About Invidious
Invidious An open source alternative front end to YouTube Website • Instances list • FAQ • Documentation • Contribute • Donate Chat with us: Screenshots Features User features Lightweight No ads No tracking No JavaScript required Light/Dark themes Customizable homepage Subscriptions independent from Google Notifications for all subscribed channels Audio only mode (with background play on mobile) Support for Reddit comments Available in many languages, thanks to our translators Data import/export Import subscriptions from YouTube, NewPipe and FreeTube Import watch history from YouTube and NewPipe Export…
read the full Invidious overview →
About JJazzLab
JJazzLab JJazzLab is a complete and open application dedicated to backing tracks generation. You type in chord symbols, select a rhythm (music style), then the application generates a complete backing track with drums, bass, guitar, piano, strings, etc. The objective is to generate interesting backing tracks , i.e tracks which are: realistic non boring (with variations and dynamics) easily customizable, even for complex songs The JJazzLab UI (available in several languages thanks to the JJazzLab community): JJazzLab embeds its own customized software synth based on FluidSynth. For even better sounds, just…
read the full JJazzLab overview →
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Frequently asked questions
Is Invidious or JJazzLab more popular?
Invidious has 25,830 GitHub stars and JJazzLab has 608. Invidious has the larger community by that measure.
Are Invidious and JJazzLab free?
Both are open source. Invidious is licensed under AGPL-3.0 and JJazzLab under LGPL-2.1. Neither carries a licence fee.
What is the difference between Invidious and JJazzLab?
Invidious is written in Crystal and JJazzLab in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Invidious or JJazzLab?
Choose Invidious if you want the larger community (25,830 stars) or its AGPL-3.0 licence terms. Choose JJazzLab if its feature set, stack or LGPL-2.1 licence fits better. Both are self-hostable.