PICO-8
Used by 3 peoplelexaloffle.com ↗
“A few months ago at Practice (a game design conference hosted at NYU), Joseph White made and delivered his presentation about PICO-8 in PICO-8 and it was amazing - not because it was gimmicky, but because it was suited to the presentation itself and because Joseph clearly had the level of mastery over the software that made using it the obvious and necessary choice.”
Allison Parrish Interview, Poet, programmer, professor, game designer · via Uses This 
“For making games I use Pico-8, a low-fi virtual console with a great community.”
Finn Ellis Interview, Automation engineer (Slack) · via Uses This 
“Lately I've been having a wonderful time programming tiny video games with the retro-as-hell PICO-8 development environment.”
Josh Millard Interview, Musician, developer (MetaFilter) · via Uses This