OpenStax
Free online textbooks across introductory subjects, written and reviewed by educators.
Try this: Choose a chapter that matches your course. Work an example before checking the solution.
Visit OpenStax ↗Beyond StudyMaster
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A small set of resources with different jobs. Start with a need, then choose one tool that helps you meet it.
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MIT OpenCourseWare
Open materials from MIT courses for independent exploration and structured study.
Try this: Check the prerequisites, then pair lecture materials with a problem set. Materials vary by course.
Visit MIT OpenCourseWare ↗Khan Academy
Lessons and practice across school and early college subjects on its core learning platform.
Try this: Find a skill gap from your own work. Use a short lesson and practice set to address that gap.
Visit Khan Academy ↗Anki
A flashcard program with scheduling and customisable cards. Its desktop version is free; mobile offerings differ.
Try this: Build clear question-and-answer cards from your own errors. Check shared decks for accuracy.
Visit Anki ↗Zotero
A tool for collecting, organising, annotating, and citing research sources.
Try this: Save a source collection for one question. Check imported citation details against the originals.
Visit Zotero ↗Desmos graphing calculator
A graphing workspace for inspecting functions and relationships visually.
Try this: Predict a graph before entering the expression. Change one parameter and explain what changes.
Visit Desmos graphing calculator ↗Choose the learning task first.
Write the task in a sentence: “I need practice applying fractions” or “I need to track sources for this argument.” Select a resource for that task, then check whether your next attempt improves.
For exam practice, start with the official exam owner’s resources. A tool being useful for learning does not mean it is permitted during an exam.
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