Academic

Use this route for academic research, writing, citation, open course material, textbooks, and data sources.

Research Search

• Google Scholar - Search academic papers, books, patents, and citations.
• Semantic Scholar - Scholarly search with paper summaries, citation graphs, and related work.
• arXiv - Preprints for physics, math, computer science, statistics, and related fields.
• CORE - Open access research paper aggregator.
• DOAJ - Directory of open access journals.
• PubMed Central - Biomedical and life sciences research articles.
• OpenSyllabus - Search course syllabi and reading lists.

Writing and Citations

• Zotero - Reference manager for sources, notes, and bibliographies.
• Unpaywall - Browser tool for locating open access versions of papers.
• Purdue OWL - Academic writing, grammar, research, and citation guidance.
• LanguageTool - Grammar, spelling, and style checker.
• The Punctuation Guide - Clear rules and examples for punctuation.

Open Courses

• MIT OpenCourseWare - MIT course notes, lectures, assignments, and exams.
• edX - University-backed courses and certificates.
• OpenLearn - Free courses from The Open University.
• Yale Open Courses - Yale lecture courses and course materials.
• Gresham College - Public lecture archive.
• NPTEL - University engineering and science lecture courses.

Textbooks and Data

• OpenStax - Peer-reviewed open textbooks.
• LibreTexts - Open textbook libraries across academic subjects.
• Our World in Data - Data-driven explanations of global issues.
• Data Commons - Public data graph and statistics explorer.
• World Bank DataBank - World Bank economic and development datasets.
• UN Data - United Nations statistics database.