Question: Can you recommend a collaborative word processor that allows real-time co-authoring and commenting?

If you need a collaborative word processor with real-time co-authoring and commenting, Bit.ai is a great option. It has some more advanced features like AI-assisted writing, interactive living documents and a smart editor. Bit.ai supports multiple users and guests, so you can collaborate in real time. You can also set up custom workspaces and track engagement metrics for your documents.

Another contender is Lex. Lex is intended to help you improve your writing with AI feedback on drafts and rewrites. It's got live collaboration with real-time visibility into who's typing and read-only links for publishing. Lex also has AI shortcuts to help you with word choice and idea generation, so it's a premium option for both quick notes and longer documents.

For developers and teams, Hashnode offers a blogging platform with AI-powered writing tools and real-time collaboration. It's got features like custom domains, AI-assisted writing and an inline commenting system. Hashnode has a variety of pricing tiers, including a free option for individual developers and an enterprise option for teams, so it's useful for a range of situations.

Tiptap is another flexible option, particularly for developers who want to build their own custom editor experiences. It includes a headless content editor and real-time collaboration framework so you can build your own content experiences. Tiptap has features like AI Copywriter, Synced Whiteboard and a powerful document management system, so you can be flexible and reliable.