FlagsmithControl feature releases and remote configuration for groups of users.
100% free open-source (BSD-3-Clause) with unlimited seats and flags.
Feature flags, A/B experimentation & progressive rollout
Free alternatives to Optimizely
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GrowthBookManage feature flags and run A/B experiments using your existing data.
100% free open source (MIT) self-hosted with unlimited seats, or free cloud tier for 3 members.