Den alternatives

Slack is an application that helps teams communicate and work together by combining messaging, file sharing, and app integrations in one place. It makes it easy for teams to stay connected and work efficiently, whether they are in the office or working remotely.

Notion is an all-in-one workspace that combines note-taking, project management, and task organization. It allows users to create customized databases, documents, and calendars to streamline their personal and professional workflows.