BTCplex is an open source Bitcoin block chain browser written in Go, it allows you to search and navigate the block chain.
MIT License
Simple, fast link shortener
go-flags wrapper with useful helpers
A simple JSON-RPC package for Bitcoin.
A commandline client for the Stellar blockchain
ActivityPub relay also be able to use as search engine server.
A secure bitcoin wallet daemon written in Go (golang)
Geolocation API service -- Run it yourself! | alternative to freegeoip.net