Sci Hub: The goal of Sci-Hub is to provide free and unrestricted access to all scientific knowledge.
Scientific Magazines : Get almost all scientific articles, magazines, manuals on different categories for free.
Bypass paywalls : Get access to articles from paid platforms and magazines in medium and Adweek, in addition to more than 100 other paid sites for free with this open source tool.
Notesnook : Open source, end-to-end encrypted notes taking app, focused on privacy.
Tosdr : “I have read and agree to the Terms” is the biggest lie on the web. This website aims to fix that. Categorizes various website TOS based on grades.They also have a browser extension.
O’Reilly books : Download and generate EPUB books from O’Reilly Learning (aka Safari Books Online) library.
Google books downloader : Google books downloader with proxy support.