Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Online
- Self-Hosted
Replane is described as 'Open-source, self-hosted platform for feature flags and dynamic configuration. It lets teams change feature toggles, rate limits, and app settings in real-time without redeploying code—updates propagate to connected services in under a second via Server-Sent Events' and is an app. There are more than 25 alternatives to Replane for a variety of platforms, including Web-based, SaaS, Self-Hosted, JavaScript and Python apps. The best Replane alternative is LaunchDarkly. It's not free, so if you're looking for a free alternative, you could try DevCycle or ConfigCat. Other great apps like Replane are Flagsmith, Unleash, Optimizely and Split.
The simplest solution to managing live configuration and feature flags for your applications.

Feature management tools aren’t made for B2B: A/B experiments are useless, segmentation is painful, and the UIs are complex.
SiteSpect is the A/B testing and optimization solution where you can A/B test your ideas, discover insights, and personalize the entire customer journey.

DeployRamp automatically wraps your riskiest code changes in feature flags, rolls them out gradually, monitors for errors, and cleans up after itself — so your team ships faster without breaking production.
OpenFlags is a lightweight, developer-first feature flagging platform designed to give teams full control over their release cycle without the "enterprise tax" or external dependencies. Built with Bun and TypeScript, it focuses on extreme performance, local evaluation...





Rollgate is a production-ready feature flag platform offering scheduled flag changes, 1-click rollback to any previous state, and user targeting with 18 operators. Built for teams who are tired of unpredictable pricing — Rollgate charges per API request, not per seat or monthly...



Croct is a dynamic and high-performance CMS that allows product and growth teams to manage content, run A/B tests, and personalize user experiences in real time — without having to rely on developers every day or rebuild your entire website or product.




Fecusio is a feature management tool that helps you control feature access across your app’s users through an easy-to-use interface.

Hypertune is the most flexible platform for feature flags, A/B testing, analytics and app configuration. Built with full end-to-end type-safety, Git-style version control and synchronous, in-memory, local flag evaluation.