If you're seeking a replacement for AFFiNE, Bit.ai is worth a look. The AI-powered document collaboration tool offers advanced design abilities, powerful search and document history. It can handle real-time collaboration, interactive living documents and AI-assisted writing, and has more than 100 rich integrations. That makes it a good knowledge management system for collaborative work.
Another alternative is Taskade. The AI-powered productivity tool offers a single workspace for tasks, research and collaboration. It comes with customizable AI agents to automate work, project assistants and workflow generators to boost productivity. Taskade also offers real-time collaboration tools, AI-powered writing assistance and project sharing, so it's good for teams.
If you want something more all-in-one, Matilda could be the answer. It combines real-time co-editing, project management, data synchronization and custom AI assistants in one workspace. The tool is designed to improve collaboration and productivity across different teams, with flexible pricing plans for teams of different sizes.