Teams developing project management tools
Basecamp (former 37signalz) is a software products company with their flag product - Basecamp, a project management tool. Their newest product is Hey, an email service provider. They\
Doist is the remote company behind Todoist and Twist, building productivity tools for distributed teams. Pioneering async-first and remote work since 2010.
Gitbook is a documentation & knowledge management tool for software teams.
Slite is a note-taking app for teams and individuals.
Trello is an Atlassian visual collaboration platform using kanban boards. Deep integration with Atlassian suite (Jira, Confluence, Bitbucket, Slack). Atlassian AI features for Premium/Enterprise users.