Houseparty - Brining empathy to online communication.
Raycast - Fastest way to control Jira, GitHub and other web apps
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Looksy for iMessage - Live video chat stickers
Rume - Video chat that doesn't feel like work
Screens - GNU Screen.