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Flagr

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 1.8K GitHub stars and 146 GitHub forks. Here’s a link to Flagr's open source repository on GitHub

Who uses Flagr?

Companies
5 companies reportedly use Flagr in their tech stacks, including Doubtnut, Labs, and Checkr.

Developers

Flagr Integrations

Pros of Flagr
3
Open Source
1
Multi-variant

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?
LaunchDarkly
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.
Split
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.
ConfigCat
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.
Unleash Hosted
It is a simple feature management system. It gives you great overview of all feature toggles across all your applications. You decide who is exposed to which feature.
Unleash Hosted
It is a simple feature management system. It gives you great overview of all feature toggles across all your applications. You decide who is exposed to which feature.
See all alternatives

Flagr's Followers
28 developers follow Flagr to keep up with related blogs and decisions.