What are some alternatives?
When comparing G Suite and Slack, you can also consider the following products
Microsoft Office - From desktop to web for Macs and PCs, Office delivers the tools to get work done. View product information or sign in to Office 365.
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.
Office 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Samepage - Easy to setup collaborative tool and file syncronization cloud application
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!