libpku

libpku is a community-driven repository that collects and organizes university course materials, lecture notes, past exams, problem sets, and student-compiled summaries—primarily for Peking University, but also including contributions from other institutions. Its mission is to make hard-to-find, experience-based educational content more openly accessible, so that students don’t have to reinvent what prior generations of learners already collected. The repository is organized into folders by course or subject, where contributors upload PDFs, slides, summaries, and guides (subject to copyright constraints). The project provides a web interface (via a GitHub Pages site) where users can browse and download specific materials conveniently. It maintains a contribution policy encouraging students and alumni to submit missing materials, error corrections, or course commentaries.