# Knowledge Discovery

Perplexity is an AI-based search and discovery tool designed to provide users with credible and up-to-date answers. It helps users efficiently obtain the information they need through AI-guided searches, voice or text queries, in-depth thread follow-ups, a built-in trust system (citing sources), and a personal knowledge base. This app is suitable for anyone seeking to quickly access accurate information, from students and researchers to casual knowledge explorers. Perplexity is currently available for free download, with in-app purchase options offered.

Undermind is an AI-powered research assistant designed to help researchers quickly and accurately locate the academic papers they need through advanced language models. Founded by two PhD graduates in quantum physics from MIT, it possesses a robust research background. Undermind's search algorithms mimic the systematic discovery processes of humans by iteratively checking results and making key decisions using language models, such as identifying important information and adjusting search strategies, achieving unprecedented accuracy and comprehensiveness.

Sofonkey is a knowledge discovery engine for those who care about the best creative ideas in the consumer tech space. We gather and curate knowledge from over 1000 articles, podcasts, and books to provide you with a personalized stream of creative inspiration covering topics you care about. Try it out and get access to 27,000 ideas for free for 6 months.

NotesCast is a tool that helps people discover insights from podcasts. It leverages AI to condense podcasts into concise summaries, saving you valuable time. Users can filter and review content based on podcasts or specific episodes. In addition, users can access full episode transcripts generated by OpenAI's Whisper, along with expert answers and personalized search results. NotesCast makes it easier than ever to explore, learn from, and share the valuable content found in podcasts.

Glean is an enterprise-grade search and knowledge discovery solution for modern teams. Search across all company applications to find what you need and discover the knowledge you seek.