Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
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.
Front - The platform for exceptional customer service at scale.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Slack - A messaging app for teams who see through the Earth!