Gitness

What it does

Ever wondered about the hidden risks in your codebase? What if your key developer wins the lottery tomorrow? 🎱 Meet Gitness - your repository's personal fitness trainer that helps you track and improve your codebase's health metrics!

• IM
  I made a community sourced fitness routine database2021 · routinedb.com · ▲396
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  Git Pushups2025 · gitpushups.com · ▲131

  Hi HN! I made this app out of necessity: sometimes I'll troll over my laptop all day without moving until lunch break or work is done. No good. So I made git hook to block my git commits if I didn't do some calisthenics. Later, after I noticed it was useful, I decided to open it up for others. It works like this: - Download the iOS or Android app - Install the .git hook - Do daily pushups with the app or else your hooks will fail Pushup form is validated via ARKit/MLKit and the accelerometer and I only use github for authentication. If you find it useful, let me know! Justin

• GD
  GitBalance – Daily health commits for developersNov 2025 · gitbalance.com · ▲5

  Hi HN, I realized I track code every day, but ignore my health. So I built GitBalance, log workouts like commits, and see them as a contribution graph. You can even do it via CLI: gitbalance commit -m "30 min workout" gitbalance commit -m "stretch + wrist recovery" Super early MVP — curious if this resonates.

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  GitRabbit2024 · ▲143

  Boost consistency on GitHub with GitRabbits insights

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  Commit PleaseFeb 2026 · commitplease.com · ▲124

  GitHub-powered coworking for developers

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  Gitness2023 · harness.io · ▲1

  Open-source code hosting & pipeline engine

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  /dev/null▲490

  a social network for devs

  Dev tools · 4d ago · dev-null.sh

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  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 · 28d ago · github.com

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  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 · 26d ago · github.com

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  OpenBot▲362

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

  Dev tools · 24d ago · openbot.run

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  Talanoa▲346

  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 · 21d ago · talanoa.email

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  Run full iOS 16.5 firmware on Android Devices▲344

  Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

  Dev tools · 12h ago · github.com

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  I made an open-source laptop from scratch▲3,237

  Hello! I'm Byran. I spent the past ~6 months engineering a laptop from scratch. It's fully open-source on GH at: https://github.com/Hello9999901/laptop

  Dev tools · 2025 · byran.ee

• TI
  Tetris in a PDF▲1,289

  I realized that the PDF engines of modern desktop browsers (PDFium and PDF.js) support JavaScript with enough I/O primitives to make a basic game like Tetris. It was a bit tricky to find a union of features that work in both engines, but in the end it turns out that showing/hiding annotation "fields" works well to make monochrome pixels, and keyboard input can be achieved by typing in a text input box. All in all it's quite janky but a nice reminder of how general purpose PDF scripting can be. The linked PDF is all ASCII so you can just open it in a text editor, or have a look at…

  Life & fun · 2025 · th0mas.nl

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  21st.dev▲1,211

  I originally built this app to organize and reuse interesting React + Tailwind components I came across on Twitter, inspired by the shadcn/ui approach. Later, a friend started contributing their own components, and it got me thinking—this could grow into something bigger, like an NPM for design engineers to share and use components. Would love to hear your thoughts!

  Dev tools · 2025 · 21st.dev

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  JoggAI 2.0: AI Avatar Generator▲967

  Create lifelike, personalized AI avatars from text prompts

  AI · 2025 · jogg.ai

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  Lovable + Builder.io▲873

  Turn Figma designs into full stack apps with AI

  Dev tools · 2025 · figma.com

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  Cs16.css – CSS library based on Counter Strike 1.6 UI▲819

  CSS library based on Counter Strike 1.6 UI.

  Life & fun · 2025 · cs16.samke.me