Flagr is a feature flagging, A/B testing and dynamic configuration microservice
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Updated
Aug 20, 2026 - Go
Flagr is a feature flagging, A/B testing and dynamic configuration microservice
Enterprise-grade feature flag platform that you can self-host. Get started - free.
Open Source Feature Flags, Experimentation, and Product Analytics
🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
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