Reference & Research

PDFMathTranslate is a software that translates scientific papers in PDF format while preserving their original layout. It supports multiple translation services, including Google, DeepL, Ollama, and OpenAI. The software provides various interfaces, including CLI, GUI, MCP, Docker, and Zotero. PDFMathTranslate is designed to help researchers and scientists overcome language barriers and access knowledge more easily.

✦ Best for researchers needing multilingual scientific papers

Project Gutenberg is a volunteer-led digital library that offers free electronic books, primarily consisting of older works of literature whose U.S. copyrights have expired. Users can browse, read, and download classic literature in various formats without needing a subscription or registration. The platform aims to encourage the creation and distribution of eBooks, making historical and literary texts widely accessible to the public. Books can be read directly in a web browser or downloaded to e-readers, tablets, and computers in formats like EPUB and Kindle.

✦ Best for students and researchers seeking free public domain classic literature.