Feature flags
Flags, experiments and config. Request and seat caps are the usual free-plan limits.
Feature flags 3
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Flagsmith
Free
50,000 requests / month
Open-source feature flags, hosted or self-hosted. The free cloud plan includes a monthly request cap and a single team member.
$0; up to 100,000 users in experiments, 1 team member, unlimited feature flags
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GrowthBook
Starter
3 users on cloud
Open-source feature flags and A/B tests. The Starter cloud plan is free for a small team, and the self-hosted plan is described as free with unlimited users.
Free; unlimited feature flags and experiments on GrowthBook Cloud. The free self-hosted plan has unlimited users
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ConfigCat
Forever Free
No card required
Feature flags and remote config. The Forever Free plan does not need a card and is described as having the same feature set as the paid plans, with lower limits.
Hosted or on-premise; the page says Forever Free has the same feature set as paid plans, for smaller usage
Nothing matches.
Other lists
When a limit changes
A short note when we re-check the list. No other mail.