* [Unleash v7.5.0](https://github.com/Unleash/unleash) – Feature management platform enabling controlled rollout and testing of new features using feature flags. * [GO Feature Flag v1.52.0](https://github.com/thomaspoignant/go-feature-flag) – Lightweight, self-hosted feature-flag server and SDK ecosystem for evaluating and managing feature flags across languages. * [Flipt v2.8.0](https://github.com/flipt-io/flipt) – CloudNative feature management solution supporting DevOps best practices and enabling continuous configuration. * [Flagsmith v2.222.0](https://github.com/Flagsmith/flagsmith) – Feature flag and remote config service for managing feature toggles across applications. * [Unleash Client SDK for Node.js v6.10.0](https://github.com/Unleash/unleash-node-sdk) – Node.js SDK for integrating with a feature management platform to evaluate feature flags server-side. * [LaunchDarkly Relay Proxy v8.17.2](https://github.com/launchdarkly/ld-relay) – Proxies a single streaming connection to multiple local clients for feature-flag SDKs and optionally forwards analytics events. * [flopflip v15.1.7](https://github.com/tdeekens/flopflip) – Feature toggling library for React applications with support for Redux and broadcasting systems.