Scratch

Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C

DR-DOS rises again – rebuilt from scratch, not open source

Show HN: I built an ISP infrastructure emulator from scratch with a custom vBNG

Building a TB-303 from Scratch

Show HN: I built a sub-500ms latency voice agent from scratch

A bit of fluid mechanics from scratch not from scratch

Building a (Bad) Local AI Coding Agent Harness from Scratch

Show HN: Axiom – A math-native OS where x² is valid syntax (built from scratch)

RLHF from Scratch

Sixteen AI Agents Built a C Compiler From Scratch

Building a 24-bit arcade CRT display adapter from scratch

Linux From Scratch ends SysVinit support

Linux From Scratch Abandoning SysVinit Support

Reimplementing Tor from Scratch for a Single-Hop Proxy

Writing an optimizing tensor compiler from scratch

Tiny startup Arcee AI built a 400B-parameter open source LLM from scratch to best Meta’s Llama

Show HN: I built a small browser engine from scratch in C++

One Human and One Agent = One Browser from Scratch

Show HN: One Human + One Agent = One Browser From Scratch in 20K LOC

Show HN: Text-to-video model from scratch (2 brothers, 2 years, 2B params)