ConfigCat Pro alternatives

PostHog is an open-source, all-in-one product analytics platform offering event analytics, session replay, feature flags, A/B testing, and a customer data platform with transparent usage-bas…

Feature flag platform designed for development teams with instant flag evaluation, audit logs, and multi-environment support.

Flagsmith is an open-source feature flag and remote configuration platform that enables teams to manage feature releases, A/B tests, and remote configuration across applications.

AB Tasty is an experimentation and personalization platform for A/B testing, feature flagging, and AI-driven experience optimization.

LaunchDarkly is an enterprise feature management platform providing feature flags, progressive rollouts, experimentation, and release management for software development teams.

Optimizely is a digital experience platform combining A/B testing, feature flagging, content management, and personalization for data-driven digital experiences.

Harness provides an AI-powered software delivery platform covering CI/CD, feature flags, cloud cost management, and security testing for engineering teams.

Amplitude is a digital analytics platform that helps product teams understand user behavior, run experiments, and drive growth through behavioral data analysis, A/B testing, and user journey…

Real-time experimentation platform built for engineering teams with group sequential testing, multi-variate analysis, and feature flagging.

Flipt is an open-source feature flag system that runs in your infrastructure with no external dependencies for GitOps-friendly feature management.

GrowthBook is an open-source feature flagging and A/B testing platform.