The Class of April 2026

7 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

Want to Write a Compiler? Just Read These Two Papers.

prog21.dadgum.com Essays & writing 5 submissions · 5 people · 17.8 years

Completed last:5th submission

509max pts

How to crawl a quarter billion webpages in 40 hours

www.michaelnielsen.org Essays & writing 5 submissions · 5 people · 13.7 years

Completed last:5th submission

323max pts

Guerrilla guide to CNC machining, mold making, and resin casting (2015)

lcamtuf.coredump.cx Books & learning 5 submissions · 4 people · 13.5 years

Completed last:5th submission

433max pts

Localsend: An open-source cross-platform alternative to AirDrop

github.com Software & code 6 submissions · 6 people · 3.2 years

Completed last:breakout pair3rd active year

923max pts

Friendica – A Decentralized Social Network

friendi.ca Sites & organizations 5 submissions · 5 people · 8.0 years

Completed last:breakout pair5th submission

166max pts

C’s Biggest Mistake (2009)

digitalmars.com Essays & writing 5 submissions · 5 people · 5.6 years

Completed last:5th submission

232max pts

The medieval habit of ‘two sleeps’

www.bbc.com Essays & writing 5 submissions · 5 people · 4.3 years

Completed last:5th submission

348max pts