Communifire - Enterprise Social Collaboration Software
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
LS Intranet - LS Intranet is a corporate intranet that facilitates multiple employees collaborating on projects, and working in synergy.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Unily - Unily is a cloud-based intranet solution designed by SharePoint consultancy BrightStarr.
Slack - A messaging app for teams who see through the Earth!