AnkiDroid is the official Android port of the open-source Anki spaced repetition flashcard system. It supports spaced repetition learning using the AI-optimized FSRS algorithm, and allows users to create flashcards with text, images, sounds and MathJax content. It offers features including night mode, AnkiWeb syncing, text-to-speech integration, access to over 10,000 premade decks, and the ability to add cards from other applications.
Taguette is a free, open-source web-based qualitative research tool. It allows users to upload document collections, create hierarchical tag systems, and annotate portions of documents with tags and notes that can be recalled and organized for later use.
Typing.io is a typing tutor for programmers whose lessons are based on open source code in languages such as JavaScript, Ruby, C, C++, Java, PHP, Perl, Haskell and Scala. It covers symbol keys, and the site describes it as free with sign-in.
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.
Wiki Portals helps explore knowledge, places, timelines, entities, or reference information from open sources.
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Taguette is a free, open-source web-based qualitative research tool. It allows users to upload document collections, create hierarchical tag systems, and annotate portions of documents with tags and notes that can be recalled and organized for later use.
Typing.io is a typing tutor for programmers whose lessons are based on open source code in languages such as JavaScript, Ruby, C, C++, Java, PHP, Perl, Haskell and Scala. It covers symbol keys, and the site describes it as free with sign-in.
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.
Wiki Portals helps explore knowledge, places, timelines, entities, or reference information from open sources.
