head to head · open source
Unleash vs Featurevisor
Unleash has 13,924 GitHub stars, 919 forks, 39 open issues and last shipped yesterday. Featurevisor has 814 stars, 39 forks, 7 open issues and last shipped 2 days ago. Unleash leads on adoption by 1,611% (13,924 vs 814 stars). Unleash is written in TypeScript under AGPL-3.0; Featurevisor is written in TypeScript under MIT. Unleash has attracted 7% as many forks as stars, Featurevisor 5%. Unleash was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (experiments, feature, feature-flags, feature-toggles), 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
| Unleash | Featurevisor | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 814 |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 919 | ⑂ 39 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Unleash if
- You weight community size — 14K 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 Featurevisor if
- You want the Featurevisor feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Featurevisor fits your workflow better
About Unleash
Launch the live demo Try Unleash Enterprise for free What is Unleash? Unleash is a powerful open source solution for feature management. It streamlines your development workflow, accelerates software delivery, and empowers teams to control how and when they roll out new features to end users. With Unleash, you can deploy code to production in smaller, more manageable releases at your own pace. Feature flags in Unleash let you test your code with real production data, reducing the risk of negatively impacting your users' experience. It also enables your team to work on multiple features simultaneously without the…
read the full Unleash overview →
About Featurevisor
Feature management with version control Manage your feature flags, experiment variations, variables for remote configuration declaratively from the comfort of your Git workflow. Website Documentation Issues Contributing Changelog Built by @fahad19 and contributors How does it work? Three simple steps to visualize it: 1. Manage your Featurevisor project in a Git repository 1. Build and upload datafiles (static JSON files) to your CDN or custom server 1. Fetch the datafile in your application, and evaluate features using SDKs What do I need to bring to use Featurevisor? A Git repository for managing your project…
read the full Featurevisor overview →
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Frequently asked questions
Is Unleash or Featurevisor more popular?
Unleash has 13,924 GitHub stars and Featurevisor has 814. Unleash has the larger community by that measure.
Are Unleash and Featurevisor free?
Both are open source. Unleash is licensed under AGPL-3.0 and Featurevisor under MIT. Neither carries a licence fee.
What is the difference between Unleash and Featurevisor?
Unleash is written in TypeScript and Featurevisor 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, Unleash or Featurevisor?
Choose Unleash if you want the larger community (13,924 stars) or its AGPL-3.0 licence terms. Choose Featurevisor if its feature set, stack or MIT licence fits better. Both are self-hostable.