CheatKeys - View Windows keyboard shortcuts in the current application.
Hunter - Find all the email addresses related to a domain
KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation
Icypeas - This email finder has the capacity to bypass catch-alls