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An open-source feature flagging and A/B testing tool
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What is Flagr?

Open-source Go microservice supports feature flagging, A/B testing, and dynamic configuration. Logs data records and impressions.
Flagr is a tool in the Feature Flags Management category of a tech stack.
Flagr is an open source tool with 1.2K GitHub stars and 110 GitHub forks. Here’s a link to Flagr's open source repository on GitHub

Who uses Flagr?

Flagr Integrations

Pros of Flagr

Flagr's Features

  • Makes the rollout process easy
  • Supports feature flagging, A/B testing, and dynamic configuration
  • Can run multi-variants experimentation
  • Not limited to binary on/off toggles
  • Can target any audience, using rich constraints to define user segmentation
  • Logs data records and impressions

Flagr Alternatives & Comparisons

What are some alternatives to Flagr?
Serving over 200 billion feature flags daily to help software teams build better software, faster. LaunchDarkly helps eliminate risk for developers and operations teams from the software development cycle.
Feature flags as a service for data-driven teams: Split automatically tracks changes to key metrics during every feature rollout. Split serves billions of impressions, helping organizations of all sizes to rapidly turn ideas into products.
Cross-platform feature flag service for Teams. It is a hosted or on-premise service with a web app for feature management, and SDKs for all major programming languages and technologies.
It is an advanced feature management solution that gives engineering and product teams feature control, post-deployment. It's the most effective way to roll out new features to the right audience while protecting customers from failure and improving KPI’s.
Airship is a modern product flagging framework that gives the right people total control over what your customers see & experience - without deploying code.
See all alternatives

Flagr's Followers
20 developers follow Flagr to keep up with related blogs and decisions.
Alec Friedman
Matt Mason
Ronak Patel
John Alton
Egil Østhus