GoKawiilUnleash marks 11 years as an open-source feature flag platform
Unleash, an open-source feature management tool, has been in development for 11 years and describes itself as the most popular feature-flagging project on GitHub. It supports 15 official client and server SDKs plus over 15 community-built SDKs, and offers both a free local open-source setup via Docker and a paid Enterprise version with role-based access, change requests, SSO, and SCIM provisioning.