Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
Slack Overflow - A programmer's best friend, now in Slack.
BotTalk - Create Alexa skills and Google Assistant actions with Markup
GitCommands - An interactive reference tool for Git commands
Alexa Skill Builder by Chatamo - Build your own Alexa skills for free (no code required)!
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack