PostHog / posthog
:hedgehog: 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.
Unleash / unleash
Open-source feature management platform
openreplay / openreplay
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
growthbook / growthbook
Open Source Feature Flags, Experimentation, and Product Analytics
Flagsmith / flagsmith
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
Countly / countly-server
Countly is a privacy-first, AI-powered analytics and engagement platform for understanding and optimizing customer journeys across digital applications, from desktop and mobile to IoT and connected environments.
flipt-io / flipt
Enterprise-ready, Git native feature management solution
flippercloud / flipper
🐬 Beautiful, performant feature flags for Ruby.
fetlife / rollout
Feature flippers.
openflagr / flagr
Flagr is a feature flagging, A/B testing and dynamic configuration microservice
uber / piranha
A tool for refactoring code related to feature flag APIs
thomaspoignant / go-feature-flag
GO Feature Flag is a simple, complete and lightweight self-hosted cloud native feature flag solution 100% Open Source — built on OpenFeature 🎛️
featbit / featbit
Enterprise-grade feature flag platform that you can self-host. Get started - free.
open-feature / spec
OpenFeature specification
databuddy-analytics / Databuddy
Open-source product analytics for startups: track visitors, events, funnels, and goals without cookies, and ask Databunny, the built-in AI analyst. Uptime, feature flags, and short links in the same dashboard.
togglz / togglz
Feature Flags for the Java platform
featurevisor / featurevisor
Feature flags, experiments, and remote config management with version control
skyowl7521-v31cu / feature-flag-docs
—