Workiva/go-datastructures: A collection of useful, performant, and threadsafe Go datastructures. — A large library of data structures for Go

chzyer/readline: Readline is a pure go(golang) implementation for GNU-Readline kind library — Readline for Go

quasilyte/go-ruleguard: Define and run pattern-based custom linting rules. — Create your own quickfix tool for Go.

photoprism/photoprism: Personal Photo Management powered by Go and Google TensorFlow — This needs more work, but is already a nice photo viewer

Practical Go: Real world advice for writing maintainable Go programs — This guide explains how to write maintainable Go programs

More permissive date parsing for golang — It should try this date parsing library, so perhaps Ekster can show all kinds of items even when dates don't parse with the default date parser.

spiral/roadrunner: High-performance PHP application server, load-balancer and process manager written in Golang — Roadrunner is a PHP application server. I want to check this out. At work we use a lot of PHP code and perhaps could help with that.