If you're looking for a StackifyMind alternative, ChatDOC is a good option. This AI-based system can handle lots of different file types, including PDF, DOC and WEBSITE, and can provide detailed analysis and immediate answers to your questions. It can also use GPT-4 for image analysis and has a browser extension for uploading files. The Pro tier has no limits on questions or pages per file, so it's good for big research projects.
Another option is Sharly, which lets you chat with documents and PDFs to better understand them and work faster. It has an AI summarizer, customizable AI personalities and strong data protection. That makes it a good option for researchers, project managers and lawyers who have to wrestle with lots of documents and literature reviews.
If you want something more flexible, check out ChatDox. It can handle a lot of different documents and other sources of information, including YouTube videos and CSV files. It can handle multiple languages, custom categories, and an application programming interface for custom document processing. That makes it good for students, researchers and pros who have to deal with a lot of different sources of information.
Last is Coral AI, which lets you upload PDFs in more than 90 languages and then quickly extract information. It can summarize documents, answer questions with citations and translate documents. It's designed to let you quickly digest documents, but it's good for academic, legal and research documents, too.