Moz Link Explorer - Search engine for links Perform competitive website research.
GitHub + Slack Integration - Full visibility into your GitHub projects right inside Slack
MetaTagsTool.com - Meta Tag Analyzer, Simulator, & Generator
GitCommands - An interactive reference tool for Git commands
OpenGraphWiki.com - Open graph generator and simulator. Test or generate open graph tags for any web page.
ask-stack - Get answers from Stack Overflow directly in the Atom editor