Roaring bitmaps in Go (golang), used by InfluxDB, Bleve, DataDog

Advanced Go Playground frontend written in Go, with syntax highlighting, turtle graphics mode, and more

PHP parser written in Go

[Go] mmm - manual memory management library.

Reduce Go programs

[Go] interface-bench - a quick look at some of Go's subtleties regarding the use of interfaces.

Nyfiken monitors any homepage and notifies when it's been updated.