CoherenceCoherence is an AI reading workspace for research articles and PDFs. Ask contextual questions about selected passages, annotate sources, and organise saved sources and notes in a smart knowledgebase. It supports PDF parsing and Markdown workflows, with web, Chrome and macOS access and a free plan. Web Mac Chrome General and Interdisciplinary Project Research Note-taking References and Journals AI coherencebase.com Chrome extension Ask contextual AI questions while reading articles and PDFs Parse PDFs and work with Markdown Annotate passages and revisit saved sources Organise sources and notes in a smart knowledgebase Available on the web, Chrome and macOS Free plan with optional paid plans