1. Wp SlackThis plugin allows you to send notifications to Slack channels when certain events in WordPress occur.
4. Wp Better HipchatThis plugin allows you to send notifications to HipChat rooms when certain events in WordPress occur
6. bp3dGolang package for 3d bin packing problem
7. wp-toolsCommand line interface to reduce boring tasks when working on WordPress plugin / theme project that will be published to wp.org
10. ginstaCommand line client written in Go that speaks to Instagram API