Thoughts on Go performance optimization

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.