Research & Study Tools

Slang.net, formerly Slangit.com, is an online slang dictionary with daily entries, a recently added list, blog posts, and iOS and Android apps.

Math Notepad provides a browser editor for calculations and graphs, including complex numbers, matrices and units.

Extracurriculars.org lists opportunities for high school students, including internships, summer programs and volunteering.

Better Canvas adds features for Canvas, including dark mode, a to-do list and a GPA calculator.

Telborg tracks construction and power developments for Texas data centers using public filings and related announcements.

Web Whiteboard lets people sketch, brainstorm and share ideas in a real-time collaborative workspace.

The EntiTree repository contains the Next.js project that powers the EntiTree website.

Read GROBID project documentation for the software and its available functions.

Snowday helps high school students search extracurricular and summer programs across the United States.

Whiteboard Fox provides a shared online whiteboard with controls over what other participants can draw or view.

Anki schedules flashcard reviews to help users spend more time on challenging material, with media support and device sync.

LionBot provides Discord communities with activity tracking, economy features, leaderboards and productivity tools.

Cheatography lets visitors download free cheat sheets or create their own, with programming references among its materials.

The General Index provides three tables derived from more than 107 million journal articles, including an n-gram table.

The Devil’s Dictionary provides online access to Ambrose Bierce’s published entries.

Formatically generates citations and bibliographies in thousands of styles, including MLA, APA, Chicago and Harvard.

BBC Bitesize provides homework and revision help through videos, guides, activities and quizzes for school levels.

Internet-in-a-Box helps users build a digital library with a Raspberry Pi.

Spacefinder helps users browse venues through detailed space descriptions, filters and a map.

HatNote lists the most-visited English Wikipedia articles and updates its ranking daily.

Urban Dictionary publishes user-submitted definitions of slang and other terms, including its daily featured entry.

wik retrieves information from Wikipedia in a command-line shell, according to its project description.

PLText checks text for plagiarism and provides match reports and rewriting tools.

Mathway solves problems across algebra, calculus, statistics, chemistry and physics, with steps and photo input.