A lightweight feature flag platform built for developers who want speed, safety, and full control. Toggle features instantly, roll out gradually, and release without redeploys — all with a simple, developer-first workflow.




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.
A lightweight feature flag platform built for developers who want speed, safety, and full control. Toggle features instantly, roll out gradually, and release without redeploys — all with a simple, developer-first workflow.




UpStamps is a Feature Flag Management Platform to separate code from different environments and projects for Web Developers. Use feature flags to separate code deployments and manage all of your features in one place with easy implementation.



Somewhere during the “Technology” making a difference, businesses started to rather believe unconsciously that the “Technical People” are the direction to strive. Why should an innovator need the “Technical Team” to sustain his ideas?



AppFlags makes it easy to use feature flags in your application. With just a few lines of code, you can instantly control the visibility of your features with real-time feature flags.

Fipper.io is a feature flag solution. It lets you manage your configuration on the go. There's no need to have extra rollouts anymore. Using our powerful dashboard, you can turn your feature flags on & off and control your application easily.




Prebuilt Infrastructure as a Service. Feature Flags, Distributed Config & Dynamic Log Levels.


Airdeploy is a complete feature flagging solution that Developers and Product Managers use to craft their new Web and Mobile features. Teams use Airdeploy APIs and dashboards to develop, test, optimize, and roll out their newest creations.



Open-Source Feature Toggles Library and app backed by files in CDN to provide real-time activation and deactivation of features for free.

Molasses is a suite of software tools that enables your team to deploy code more frequently. Molasses offers a set of feature flag and A/B testing tools that allows your teams to ship code more often with fewer incidents.
Release features to your users in real-time, safely. Make new releases as fast as you develop. Turn off defective features instantly, no more rolling back of deployments.
FeatBit is a scalable, fast, and 100% open-source feature flags management platform that empowers all teams to deliver, control, experiment with and monetize their software.




A modern and robust remote config platform for apps and games. Simple to get started. Powerful enough to grow with you. No per-seat charges. Fast, comprehensive APIs. Passionate support.



