Research & Study Tools

PLText

pltext.com

PLText is a free AI-powered plagiarism checker, detector, and remover. It scans text against billions of web pages, academic resources, and journals to identify exact, partial, and weak matches. Users receive detailed reports with source links and an originality score. A one-click rewrite function can modify flagged content. The service offers a free tier with up to 1000 words per search without login. Paid subscription plans include Basic at $7.93 per month (annual), Pro at $15.68 per month, and Pro+ at $30.04 per month, as well as pay-as-you-go options.

PowerThesaurus

powerthesaurus.org

PowerThesaurus is an online thesaurus that provides synonyms, antonyms, and definitions. It is described as accurate, reliable, fast, and user-friendly, and offers a PRO membership with additional benefits for users.

Qalculate

qalculate.github.io

Qalculate! is a multi-purpose cross-platform desktop calculator. It provides everyday tools such as currency conversion and percent calculation, along with advanced capabilities including symbolic calculations, arbitrary precision, unit conversions, and plotting. The software includes over 400 functions and 400 units, supports various number bases, and offers a user-friendly interface with Gtk, Qt, and CLI options. It is free software licensed under the GNU Public License v2 or later.

Quizlet provides educational videos, lessons, tutorials, or self-learning resources.

RateMyDorm

ratemydorm.com

RateMyDorm is an education platform focused on college dorm information. It hosts authentic student reviews of over 2,000 North American dorms, provides dorm photos, forum discussions, and allows users to submit anonymous dorm reviews.

Refseek

refseek.com

RefSeek is an academic search engine intended for students and researchers. It retrieves relevant academic results from web pages, books, encyclopedias, and journals, supports searching for PDF and Microsoft Office documents, and includes calculation and unit conversion features.

RemNote

remnote.com

RemNote is an AI-powered study tool for students. It lets users upload PDFs, videos, or notes to instantly generate AI flashcards, quizzes, summaries, and explanations, and includes note-taking, spaced repetition, an exam scheduler, PDF annotation, and an AI tutor.

Reversepedia is a Wikipedia browsing tool that does not host original content, only reversed hyperlinks between English Wikipedia articles. It enables users to identify which Wikipedia articles link to a specified article, and includes a random article search function.

revisiondojo

revisiondojo.com

revisiondojo provides educational videos, lessons, tutorials, or self-learning resources.

SciArena

sciarena.allen.ai

SciArena provides educational videos, lessons, tutorials, or self-learning resources.

Scolary

scolary.com

Scolary is a platform that helps users discover the best scientific research tools for their workflow. It curates a comprehensive list of tools, providing descriptions and categories to save time and improve research efficiency. Users can explore tools across various disciplines and find software for daily scientific work.

Scrible

scrible.com

Scrible is a modern research and writing platform for school and work. It allows users to save, manage, annotate, and share web content. Features include cloud storage of bookmarks and files, a searchable library with tags, in-browser annotation, and sharing of annotated articles. A Chrome extension and Google sign-in are available.

Shmoop

shmoop.com

Shmoop provides educational videos, lessons, tutorials, or self-learning resources.

Slangit

slang.net

Slangit is a slang dictionary service accessible via its website and mobile apps. It provides definitions for thousands of slang terms, acronyms, and abbreviations, with daily updated entries, a term of the day feature, and free offline-capable apps for Android and iOS.

snow.day

snow.day

Snowday is an education platform that aggregates learning and extracurricular opportunities for U.S. high school students. It hosts a searchable database of over 2,100 programs, including summer, school-year, and competition options, with AI-powered filtering by location, date, and cost, plus curated expert lists and user-submitted reviews.

SparkNotes

sparknotes.com

SparkNotes provides educational videos, lessons, tutorials, or self-learning resources.

StarlingDB

starlingdb.org

StarlingDB provides educational videos, lessons, tutorials, or self-learning resources.

Studocu provides educational videos, lessons, tutorials, or self-learning resources.

Substance provides educational videos, lessons, tutorials, or self-learning resources.

Symbolab

symbolab.com

Symbolab provides educational videos, lessons, tutorials, or self-learning resources.

TheUniGuide

theuniguide.co.uk

TheUniGuide is a platform for finding and comparing university degree courses. It offers advice on applications, UCAS deadlines, personal statements, and student finance. Users can search courses and universities by name or location, and access guidance on clearing and other aspects of the university journey.

Tiger Algebra provides educational videos, lessons, tutorials, or self-learning resources.

vCalc

vcalc.com

vCalc provides educational videos, lessons, tutorials, or self-learning resources.

VisuWords

visuwords.com

VisuWords provides educational videos, lessons, tutorials, or self-learning resources.