The Class of September 2025

10 links completed the frozen Hall rule in this class.

A link can complete the Hall rule years after its latest 20+ point thread. Its class records when the complete submission history first satisfied every requirement.

How induction works

OpenWrt: A Linux OS targeting embedded devices

openwrt.org Software & code 6 submissions · 6 people · 10.9 years

Completed last:breakout pair

271max pts

The history of UTF-8 as told by Rob Pike (2003)

doc.cat-v.org Essays & writing 7 submissions · 7 people · 16.4 years

Completed last:breakout pair

244max pts

Lit: Simple. Fast. Web Components

lit.dev Software & code 10 submissions · 9 people · 4.4 years

Completed last:breakout pair

280max pts

Pico CSS – Minimal CSS Framework for Semantic HTML

picocss.com Software & code 9 submissions · 8 people · 4.6 years

Completed last:breakout pair

413max pts

Speed Test

speed.cloudflare.com Tools, games & demos 6 submissions · 6 people · 6.0 years

Completed last:5th submission

664max pts

Normalization of Deviance (2015)

danluu.com Essays & writing 5 submissions · 5 people · 7.8 years

Completed last:5th submission

447max pts

GNU LibreJS

www.gnu.org Software & code 5 submissions · 5 people · 12.5 years

Completed last:5th submission

213max pts

How to create an OS from scratch – tutorial

github.com Books & learning 5 submissions · 5 people · 8.4 years

Completed last:breakout pair5th submission

377max pts

CPU Utilization is Wrong

www.brendangregg.com Essays & writing 5 submissions · 5 people · 8.3 years

Completed last:5th submission

624max pts

Self-hosted photo and video backup solution directly from your mobile phone

github.com Software & code 7 submissions · 5 people · 2.9 years

Completed last:breakout pair

757max pts