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Overlap
Feature Flags for Multi-platform
Feature Flags tools that run on Multi-platform. The Catch for each, not a winner list.
3 tools · the Catch, not a ranking
- UnleashAGPLv3 feature flags; OSS caps 1 project / 2 environments
Loud: OSS caps Projects 1 / Environments 2. Cloud = Enterprise trial FAIL — pitch self-host only. Vs PostHog dedicated-flags-inside-analytics. Distinct from PostHog.
- FlagsmithBSD-3-Clause flags; Cloud Free 50k req/mo, self-host uncapped
Cloud Free is capped (50k/1 seat/1 project); self-host uncapped. Vs PostHog analytics-native flags and Unleash AGPL OSS caps. Distinct from PostHog and Unleash.
- GrowthBookMIT-core flags+experiments; Cloud Starter Free, self-host unlimited users
Warehouse-native experimentation competitor to PostHog — different pitch (flags+experiments first). Cloud Starter Free has user/project caps; self-host OSS uncapped users. Distinct from PostHog.