Free online web development tutorials and reference guides for HTML, CSS, JavaScript, Python, SQL, and more.
Study Tool — tools
68 tools in this categoryHelpers for actually getting through the material: tutorials with runnable code, literature and scripture study guides, chapter summaries, plus citation and proofreading checks for papers. Built around the learner, not the instructor.
Literature study guides with chapter summaries, analysis, and discussion tools for students and book clubs
Online Bible platform with search, 30+ translations, commentaries, and study guides for personal or group study.
Comprehensive book summary service — get key insights from 10,000+ books, podcasts, and articles with audio narration and exercises
Academic writing toolkit — proofreading, plagiarism checking, citation generation, and AI detection for students
Learn coding with free tutorials, examples, and an online compiler — write and run code directly in your browser.
Comprehensive dictionary and thesaurus with word definitions, etymology, games, and a daily chatbot assistant.
Free online plagiarism checker — compare text against web pages to detect copied content.
Free plagiarism checker that scans your content against billions of web pages to detect copied text
Postman Interceptor helps you send requests which use browser cookies through the Postman app. It can also send headers which are normally restricted by Chrome but are critical for testing APIs. The Interceptor makes this process painless. Something that would have required a proxy earlier can now be achieved without any installation steps or extra configuration.
A language learning resource hub offering articles and tips for mastering new languages.
Interactive platform for learning Linux, DevOps, and Cybersecurity through hands-on labs and real-world projects
Get concise summaries of 4000+ books in minutes — perfect for busy readers who want key insights fast.
A fantasy RPG game where middle-school students practice math by solving problems to complete quests and battle monsters.
Free online tool to calculate your current grade average and determine what score you need on your final exam.
Language learning app that turns scroll-based video consumption into Spanish fluency in minutes a day
Learn 55+ languages in 5-minute daily sessions with fun word games and visual mnemonics
AI-augmented learning platform for medical and nursing students — offers video lessons, question banks, and personalized study paths.
Free peer-to-peer platform for practicing live technical and behavioral job interviews.
Learn to code, land programming jobs, and grow your professional network through structured checklists and AI tools.
Interactive revision platform for GCSE and A-Level students with videos, quizzes, flashcards, and past papers.
Turn your structured notes into flashcards automatically — no manual card entry needed
Gamified mobile app for exam prep — study with interactive quizzes, compete with friends, and track your progress.
Free word unscrambler — enter scrambled letters, filter by start/end/length, get valid words with definitions in seconds.