Xilem: an architecture for UI in Rust, by Raph Levien. “The Xilem architecture is based around generating trees and keeping them synchronized.”

bzip3, a better, faster and stronger spiritual successor to BZip2. By Kamila Szewczyk.

Otus Lisp is a purely functional dialect of R7RS Scheme.

Npt, an ANSI Common Lisp implementation. Public domain, bootstraps from C.

Joint Policy Search for Multi-agent Collaboration with Imperfect Information, by Yuandong Tian, Qucheng Gong, Tina Jiang. “We test it to Contract Bridge, a 4-player imperfect-information game where a team of 2 collaborates to compete against the other.”

FRIDEN EC-130: The World’s Second Electronic Calculator?, made in 1964.

Duck Chess is an exciting and absorbing new chess variant invented in early 2016 by Dr. Tim Paulden.