Sources:

Slack:
- https://api.slack.com/rtm
- https://github.com/evanyeung/terminal-slack
- https://github.com/nlopes/slack

UI
- https://github.com/jroimartin/gocui
- https://github.com/fatih/color
- https://github.com/nsf/termbox-go
- https://github.com/gizak/termui

Examples:
- https://github.com/nsf/godit
- https://github.com/moncho/dry
- https://github.com/mikepea/go-jira-ui