Numla is a minimal browser-based calculator notepad for quick everyday calculations, including arithmetic, currency conversions, percentages, and unit conversions. It operates entirely locally with no user accounts or tracking, supports offline use, and includes features such as tabbed notes, instant note search, a Time Machine version history tool, focus mode, theme customization, and .txt file export. It is distributed as a progressive web app.
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.
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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.
Wiki Portals helps explore knowledge, places, timelines, entities, or reference information from open sources.
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.
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.
