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AB Testing Software

GrowthBook 5.0

New· 6

Open-source feature flags and A/B testing for engineering and product teams

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  • AB Testing Software
  • A/B Testing
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About GrowthBook 5.0

GrowthBook 5.0 offers feature flags and A/B testing as an open-source product. It lets engineering and product teams run experiments and gradual rollouts instead of adopting a closed-source enterprise product, and the code behind it is open for anyone to read.

Features

  • Feature flags: turns features on or off for chosen users.
  • A/B testing: runs experiments that compare variants.
  • Gradual rollouts: releases a change to a share of users before wider release.

Customers and markets

Engineering and product teams that want to run experiments and staged releases without a closed-source platform. Teams that want to inspect the code behind their experiments can do so.

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

  • AB Testing Software
  • A/B Testing

Trust Score

6/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement - the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
30/100 · 20%
Engagement
0/100 · 15%
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Updated 9/22/2026

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