Dropbox Paper for Mac (Unofficial) VS Pages by Process Street

Dropbox Paper Mobile - Organize your team’s knowledge in a single place

Perfect Wiki - Build and organize your knowledge base of company resources without switching between workspaces

Notejoy - A better way to organize team documents

Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.

Nuclino - Nuclino works like a collective brain, helping teams bring all their knowledge, docs, and projects together in one place. It's a modern, simple, and blazingly fast way to collaborate.

Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.