iCanHazShortcut - Simple shortcut manager for OS X 10.8 or higher.
Everleagues - Everleagues is a cloud-based application that offers team communication, file sharing and storage, data tracking, and activities management.
CustomShortcuts - Customize your Mac menu keyboard shortcuts for free.
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.
Keysmith - Create custom keyboard shortcuts for your Mac and the web
Stork.ai - AI-Based Collaboration for Hybrid Teams. Rich media messaging, advanced video and voice conferencing, auto-transcribing and screen sharing. Serendipitous meetings at the water-cooler with your human and AI teammates.