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.
XaitCPQ - XaitCPQ is an intelligent Sales Automation Software that gives the sales team productivity at their fingertips.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Experlogix CPQ - Proposal management, quoting, and product configurator
Slack - A messaging app for teams who see through the Earth!
Hive CPQ - Hive CPQ is a platform that enables manufacturers to create configurable products for their B2B customers on any platform without having to build a custom solution from either their own engineering team or a third-party solution.