Punch card simulator and Fortran IV interpreter
Code: https://github.com/ehrlich-b/punchcards Just for fun, I've only spent a few hours on it so far. What are everyone's punch card emulation needs?
Does the same job
all alternatives →- FEFree e-book about WebGPU Programming2024 · shi-yan.github.io · ▲471
I am excited to announce the launch of my e-book on Graphics/WebGPU programming! This project has consumed much of my spare time, during which I developed various tools to facilitate the publishing process, including a code playground and a static site generator that can reference sample codes. However, I'm feeling burnt out and ready to call it finished, even though it may not feel completely done. Avoiding another abandoned side project has been my primary motivation in reaching this point.
- VCVirtual Card Read-Punch – Punch, Read, Execute Virtual Punch Cards2019 · masswerk.at · ▲46

- CCCode Cards – Anki for code2017 · codecards.me · ▲152
- FCFortran Chip-8 Interpreter2024 · github.com · ▲5
This is my first emulator. It is still missing a few bells and whistles like the sound timer, but otherwise it passes the basic tests from Timendus (https://github.com/Timendus/chip8-test-suite). I've also been thinking about making a Fortran dialect suitable for CHIP-8 (https://fortran-lang.discourse.group/t/fortran-chip-8-interp...).
- IBI built an open-source alternative to the "brainrot IDE" that YC fundedDec 2025 · github.com · ▲6
VSCode extension with games (Snake, Plinko, slots), HN/LessWrong reader, and Pomodoro timer for AI coding wait times. Fake currency only. Marketplace: https://marketplace.visualstudio.com/items?itemName=TouchGra... Built in a week with Claude Code after seeing Chad IDE get ratio'd for integrating real gambling. Happy to answer questions or get roasted on the code.
More dev tools this month
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Open-source GTM skills for technical founders
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OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Launched alongside, March 2026
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Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com


