Zip 3

made by proxpero, submitted by porterjamesj
An extension of the Swift standard library's `zip` function to three lists.

Line Rider

made by davidlu, submitted by porterjamesj
A remake of the classic flash game using modern web technologies. You can see the source code for the physics engine here:


made by BrennanC, submitted by porterjamesj
The asciidots visual programming language, plus emoji!

Ray Tracer written in Kotlin

made by JonathanOliveira, submitted by porterjamesj
A ray tracer written in Kotlin, completely from scratch with no libraries.

Type systems and logic

made by trillionalyssa, submitted by jollysonali
A long form essay that shows the relationship between type systems and logic systems in type theory.

Closing Time

made by haagen_daz, submitted by davidbalbert
Most stores aren't open 24/7. is. This extension makes more like other stores. The new hours are 10am-9pm M-F and 11am-8pm Sundays.

Unfamiliar City

made by mouse, submitted by davidbalbert
Programmatically generated city guides for imaginary cities. Pictures, maps, places of interest, local language, flora and fauna are all included.

Tunable Neural Nets

made by emanuelgeromin, submitted by porterjamesj
An explanation of the recent "Neural ordinary differential equations" paper.


made by mouse, coco, submitted by davidbalbert
A programming language where every computation happens in a separate Docker container.

San Francisco Bikeshare Activity Map

made and submitted by aleksey
Thousands of people use the Bay Area bikeshare system, Ford Go Bike, every day. This plot shows where all those bikes are headed (using idealized route predictions).