Study & Research
School and college need flashcards, references, math, statistics, LMS, science, and PDF annotation. Many people pay for Quizlet, EndNote, MATLAB, NVivo, or Blackboard — or turn to pirated installers. Here are official free and open-source options, organized by level: routine, school, and college / grad school.
There is a permanent guide for students with the essential kit; this page is the full catalog in 20 cards.
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Guide Essential free software for school and college students Office suites, PDF, notes, Anki, Zotero, and the minimum kit for everyday school and academic use. Open guideStudy routine
Day-to-day tools — memorization, notes, focus, and languages — useful in school, college, and grad school.
Handwritten notes and PDF annotation
Scan and OCR
Focus and Pomodoro
Languages and dictionaries
School and tutoring
Visual math, curriculum-aligned content, K–12 science, and classroom tools.
Dynamic math and graphs
Learning content and tutoring
Physics and astronomy
Chemistry and molecules
Programming for beginners
LMS
College and graduate school
References, LaTeX, statistics, MATLAB/R, qualitative analysis, and scientific lab work — the typical kit for theses, master’s degrees, and research.