: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.
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Open Source Feature Flags, Experimentation, and Product Analytics
- abtesting
- statistics
- abtest
- experimentation
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
- feature-flags
- continuous-integration
- remote-control
- ci
Flagr is a feature flagging, A/B testing and dynamic configuration microservice
- feature-flags
- ab-testing
- golang
- dynamic-configuration
GO Feature Flag is a simple, complete and lightweight self-hosted cloud native feature flag solution 100% Open Source — built on OpenFeature 🎛️
- feature-flags
- feature-toggles
- feature-flag
- feature-toggle
Enterprise-grade feature flag platform that you can self-host. Get started - free.
- dotnet
- feature-management
- remote-config
- csharp
Switchboard - easy and super light weight A/B testing for your mobile iPhone or android app. This mobile A/B testing framework allows you with minimal servers to run large amounts of mobile users.
A Rails Engine framework that helps safe and rapid feature prototyping
- rails
- engine
- ab-testing
- prototyping