nowfound

Dev tools · June 8, 2021

Open-source A/B testing platform

Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook

Open-source A/B testing platform launched on June 8, 2021 with 11 votes, #1,301 of 3,650 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.

Visit github.com ↗Alternatives

In plain words

Open-source A/B testing platform is a developer tool launched in 2021 that enables teams to run and manage A/B tests within their applications. Available on GitHub, it provides a free, customizable alternative to commercial testing solutions. The platform is designed for software engineers and data teams who want to implement experimentation features directly in their codebase without relying on external services or vendor lock-in.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • Open-source A/B testing framework2021 · github.com · ▲199

    Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook

  • GrowthBook2022 · growthbook.io · ▲283

    The open-source LaunchDarkly alternative

  • GrowthHackers Projects2016 · projects.growthhackers.com · ▲474

    Growth collaboration software for teams 📈

  • OpenStatus2025 · openstatus.dev · ▲434

    Hey HN! We’re Max and Thibault building OpenStatus.dev an OpenSource synthetic monitoring platform with incident managements 1 min demo: https://twitter.com/mxkaske/status/1685666982786404352 We have just reached 2000 stars on GitHub https://github.com/openstatusHQ/openstatus We are really excited to hear your feedback/questions and connect further: our emails are [email protected] and [email protected]. Thank you!

  • UpGrade2020 · ▲64

    An open-source platform for A/B testing in education.

  • Test4startup 2.02017 · ▲277

    Research a project market in just 7 seconds

More dev tools this month

the category →
  • /dev/null▲483

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

    open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • Reladraw – A diagram language where you decide where to place things▲411

    Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 25d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲345

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 20d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Show HN post ↗

Launched alongside, June 2021

the whole month →