Elephas

Elephas is an AI-powered knowledge assistant built for macOS and iOS that acts like a personal ChatGPT trained on everything you've ever saved. It helps you organize vast amounts of information, surface ideas effortlessly, and get intelligent answers from your own data — without having to search through dozens of folders or apps. Elephas supports a wide range of file formats, integrates with popular personal knowledge management (PKM) tools, and offers a privacy-friendly experience with an offline mode so your data stays yours. If you've ever felt like your notes and files are a black hole rather than a useful resource, Elephas turns your knowledge base into something you can actually use.