Self-hosted feature flags for modern JavaScript teams with zero latency local evaluation.
PostHog is an open source product analytics platform combining event tracking, session replay, feature flags, A/B testing, and surveys in one self-hosted deployment. MIT licensed; self-host free or use PostHog Cloud.
Matomo is a self-hosted web analytics platform with 100% data ownership, no data sampling, and GDPR compliance out of the box. GPL-3.0 licensed, runs on PHP/MySQL.
An open-source marketing automation platform offering campaign building, email marketing, lead nurturing, and data sovereignty.
Flipt is a self-hosted feature flag tool that stores and evaluates flags on your infrastructure with Git-native definitions and zero evaluation data sent to external services. Apache-2.0 licensed.
An open-source ranking service for building personalized semantic/neural search and recommendations with learning-to-rank.
Keila is an open source email newsletter tool for managing contact lists, creating campaigns, and tracking analytics from a self-hosted server. A privacy-first alternative to Mailchimp; AGPL-3.0 licensed.
An open-source feature flag and remote configuration service to roll out, segment, and optimize features securely.
An open-source feature flag and A/B testing platform for releasing code better and measuring impact with your own data.
Unleash is an open source feature management platform for controlling feature rollouts, A/B tests, and kill switches with SDK support for 30+ languages. A self-hosted alternative to LaunchDarkly; Apache-2.0 licensed.
