Freewheeling Apps that are easy to run, easy to modify and easy to share.

• Lua Carousel, a lightweight programming environment for desktop and mobile devices. (devlog)

Teliva, a platform for habitable and auditable text-mode apps (guided tour; talk '22; demos)

Mu, a safe, hackable computing stack that builds up from raw machine code (guided tour; paper '20; talk '20; sample app)

Mu1, an earlier prototype of Mu: a little virtual machine, operating system and programming language for teaching programming one-on-one (src)

Layers and traces, a new way to organize programs (sample code)

Wart, an experiment in making code accessible to outsiders. Emphasizes readability, lisp macros, extensible names, keyword args. (src; Nov '10)

HackerStream, a real-time UI for Hacker News (Nov '07, Jun '07)

Yam, a suite of scripts for querying webserver logs from the commandline

ReadWarp: the eclectic, personalized news reader (Mar '09, Jan '09, Mar '04, src)

Recommended, a social network for startups and investors

Ph.D. dissertation, on prefetching for different access patterns (ISMM '06, SPEC '06, tr '02)

The countPaths problem, a code exposition experiment in tiddlywiki

Exploiting version control for code comments

Clickable links in VNC using bitmap matching for your font

Runtime register allocation

Tips for shell, vim, lisp, windowmaker+eterm, firefox

Characterizing speech recognition