🛠️ Tool
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Freemium
Intermediate
Why we picked it An open source, self hostable feature flag service that gives you gradual rollouts and instant kill switches without building your own. For a two person team this is the cheapest way to buy real deploy safety: ship behind a flag, roll out to a few users, and turn it off in one click if it misbehaves. Start with the free self hosted version and only pay if you outgrow it.
Unleash (open source feature flags)
From Unleash by Unleash Tool
- Roll a change out to a small percentage before everyone
- A kill switch undoes a bad feature without a redeploy
- Self host the free version so cost is not a barrier early
