kitio.aiAll AI tools
Every tool in the directory (10,042). Filter by category and price, or search by what you want to do.
Every tool in the directory (10,042). Filter by category and price, or search by what you want to do.
4 tools for “PDF Annotation”
Few tools use these exact words, so these also include tools that match what you mean.
Reference manager with an AI assistant for papers and patents
Weekly cited research reports built from primary sources you pick
AI summaries and Q&A for research papers and background reading