For another Linnk AI alternative, Unriddle is a good choice. This AI-based system lets you read and research documents more effectively by generating an AI assistant on top of any document. It can provide immediate answers to your questions, explain complex subjects, take notes and help you write. It can also automatically link related sources, highlight text, generate interactive graphs and support more than 90 languages. It's well suited for researchers including PhD students and R&D scientists.
Another good alternative is Otio, an AI-first workspace for research and writing. Otio lets you summarize and converse with your documents using large language models like GPT-4o and Claude 3. It supports more than 20 languages and can automatically tag and categorize documents. The tool can help you generate new ideas based on research, create outlines for reports and save time by reducing the amount of reading and information curation.
Semantic Scholar is another good option. This free AI-powered research service lets scholars find and read relevant scientific papers in a database of more than 219 million papers. It offers powerful search filters, brief summaries, citation tools and AI-powered research feeds. It's good for researchers who need to keep up with the latest scientific studies and who can construct complex queries.
Last, AI PDF Summarizer is a fast and easy way to get a handle on what's important in a long PDF document. It can handle multiple languages, link to source documents and provide immediate understanding with a summary of main points, key takeaways and deeper questions. It's good for academic research, business, finance and other uses, so it's a good tool for anyone who needs to process a lot of complex information.