Vabotu - More than slack. More than Trello. FREE.
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Kurator - The premier Chrome extension for savvy researchers and publishers alike. Curate your interest and publish to your website, newsletter and social media sites directly from the browser.
Geneva - An all-in-one communication app for groups & communities
Sensive - Design collaboration for everyone
müteme - A free Zoom mute button for Mac