Question: I'm looking for a solution that can help me quickly identify key evidence and relevant data in large document sets.

If you're looking for a way to quickly find important information and related data in a collection of documents, ChatDOC is worth a look. This AI-based tool can analyze and summarize documents in various formats, including PDF and DOCX, and can respond to questions with immediate answers, detailed text analysis and image analysis using GPT-4. It also has a multi-document chat interface and the ability to encrypt files for secure transfer. A browser extension lets you drag and drop PDFs for quick answers, and it's good for students, professionals and businesses.

Another good option is Unriddle. This tool generates an AI assistant on top of any document, letting you ask questions and get immediate answers and letting you understand information faster. It can summarize complex subjects, take notes and create interactive graphs to show relationships that aren't immediately apparent. Unriddle supports more than 90 languages and can be integrated with a Chrome extension, but it's geared in particular for researchers who have to sift through lots of documents.

MapDeduce is another good option, particularly for people who have to wrestle with complicated documents. It can help you extract information and answers from a variety of files, including PDF and DOCX. It can summarize documents, generate questions based on context and flag terms that are likely to be important. The company offers secure file storage and multiple pricing tiers, from free to enterprise, so it can accommodate a range of needs.

For a more general-purpose tool, check out ChatDox. This system lets you ask questions of a wide variety of documents, including PDFs, DOCX and websites, as well as multimedia documents like videos and audio files. It can handle multilingual queries and can be integrated with an application programming interface for custom document processing. ChatDox is good for students, researchers, teachers and professionals who need to quickly get information out of a variety of sources.