Alternatives

Products that do what Introducing Flagr: An open-source feature flagging and A/B testing tool does

1. 1FA
   Flipt – an open-source feature flag solution▲59

   2019 · github.com

2. 2FF
   Feature flag management for feature lifecycle control▲63

   2016 · launchdarkly.com

3. 3SA
   SwitchFeat – An open source feature flags and A/B testing platform▲9

   2023 · switchfeat.com

4. 4OS
   Open-source A/B testing framework▲199

   2021 · github.com

5. 5AS
   A self-hosted and open-source feature flags platform▲6

   2023 · github.com

6. 6AA
   Apptimize: A/B testing for native Android, iOS apps▲126

   2013 · newton.apptimize.com

7. 7FI
   Featureflags.io – microsite for feature flag best practices, libraries▲27

   2017 · featureflags.io

8. 8RA
   Reveal – an iOS runtime inspection tool▲113

   2013 · revealapp.com

9. 9MA
   Monito, a browser extension for software testers▲62

   2021 · getmonito.com

10. 10EC
    ES-Checker, a feature detection library for ECMAScript▲37

    2015 · ruanyf.github.io

11. 11FO
    Flagsmith – open-source feature flag and remote config service▲23

    2021 · github.com

12. 12TL
    TinyToggle – Lightweight feature flags for devs and small teams▲6

    2025 · tinytoggle.com

13. 13SI
    Spark Inspector, a run-time debugging tool for iOS apps▲73

    2013 · static.sparkinspector.com

14. 14KD
    K6 – developer-centric load testing using Go and JavaScript▲101

    2017 · k6.io

15. 15HA
    Houdini – A new way to test web apps▲63

    2014 · tryhoudini.com

16. 16WI
    WebGL Insight, a Debugging Toolkit for Chrome▲72

    2016 · github.com

17. 17SB
    Step-by-step feature flag implementation in Ruby▲8

    2020 · blog.optimizely.com

18. 18OS
    Open-source A/B testing platform▲11

    2021 · github.com

19. 19BM
    Bug Magnet – exploratory testing helper▲16

    2015 · gojko.github.io

20. 20BA
    Bernoulli – An A/B testing service that supports full stack development▲10

    2014 · bernoulli.io

21. 21AS
    A Showcase of OpenType Features▲22

    2020 · otf.show

22. 22KP
    Klara – Python automatic test generations and static analysis library▲7

    2021 · github.com

23. 23ZA
    Zapata – An Automated RSpec Test Writer▲7

    2014 · github.com

24. 24CA
    Chameleon – a caching reverse proxy for testing/dev written in Go▲23

    2015 · github.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →