Phrases.org.uk is a free public resource explaining the meanings and origins of thousands of English phrases, sayings, idioms, expressions and proverbs. Established in 1997, it is researched and written by Gary Martin and cited as a reference by leading publishers.
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.
Kalker is a scientific calculator application that supports user-defined variables and functions, ambiguous input syntax, differentiation, integration and complex number calculations. It runs natively on Windows, macOS, Linux and Android, and operates in web browsers via WebAssembly. The tool uses math-like syntax for input and supports sum calculations alongside standard and advanced mathematical operations.
Lurnby is a learning tool designed to help users understand and remember read content via neuroscience-validated techniques. It supports saving content from web articles, eBooks, emails and personal notes, customizable reading display settings, active highlighting and annotation, and automated spaced repetition, chunking and recall practice for retention. It offers Firefox and Chrome browser extensions and syncs notes and highlights across mobile and desktop devices.
The Historical Thesaurus of English is a University of Glasgow resource that documents the evolution of English word meanings from early medieval times to the present. It organizes nearly all recorded English words into hierarchical meaning structures, based primarily on the Oxford English Dictionary and A Thesaurus of Old English. The first print edition was published in 2009, and the online second edition has been released on the project site from 2020 onwards. It is intended for use by linguists, historians, and students of English.
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.
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.
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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.
Kalker is a scientific calculator application that supports user-defined variables and functions, ambiguous input syntax, differentiation, integration and complex number calculations. It runs natively on Windows, macOS, Linux and Android, and operates in web browsers via WebAssembly. The tool uses math-like syntax for input and supports sum calculations alongside standard and advanced mathematical operations.
Lurnby is a learning tool designed to help users understand and remember read content via neuroscience-validated techniques. It supports saving content from web articles, eBooks, emails and personal notes, customizable reading display settings, active highlighting and annotation, and automated spaced repetition, chunking and recall practice for retention. It offers Firefox and Chrome browser extensions and syncs notes and highlights across mobile and desktop devices.
The Historical Thesaurus of English is a University of Glasgow resource that documents the evolution of English word meanings from early medieval times to the present. It organizes nearly all recorded English words into hierarchical meaning structures, based primarily on the Oxford English Dictionary and A Thesaurus of Old English. The first print edition was published in 2009, and the online second edition has been released on the project site from 2020 onwards. It is intended for use by linguists, historians, and students of English.
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.
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.
