Work links Slack Slack is where work flows. It's where the people you need, the information you share, and the tools you use come together to get things done. 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. SharePoint https://www.sharepoint.com Gmail Gmail is email that's intuitive, efficient, and useful. 15 GB of storage, less spam, and mobile access.