Easily draw lines, rectangles, ellipses, paths, text, etc. There are lots of examples from which you can learn the simple API.

Build HTTP clients using a simple, expressive fluent API over the top of the net/http package. Built-in JSON, XML and multipart serialization and parsing. Has some similarities to Ruby’s httparty.

A look at how Uber approached building a geofence lookup system in Go and how Go has helped them build and scale it so quickly.

Learn how to use channels, mutexes and idiomatic Go to build processor-efficient applications.

An extensive look at what it means for code to be ‘fast’ and insights into writing and optimizing high-performance Go code.

ngrok lets you expose a local server behind a NAT or firewall to the Internet.

Long before Slack, we had IRC for our live chatting needs. Happily, the IRC protocol is still around to be used and this is an ircd written in Go.