WBO is a free, open-source online collaborative whiteboard that enables multiple users to draw simultaneously on a large virtual board, with real-time state updates for all connected users and persistent board storage. It is suitable for use cases including art, entertainment, design and teaching. Public boards are accessible to all users and are ephemeral, while users can also create private boards with random or custom names shared via link.
Learnbin Lab is an open-access STEM resources and education platform offering advanced STEM tools, curated scientific datasets, research visuals, educational infographics and interactive science tools for professionals, researchers, students and educators.
TheDevilsDictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
MatrixCalc is a web-based matrix calculation tool. It performs matrix operations including addition, multiplication, inversion, determinant and rank calculation, transposition, diagonalization, row echelon form conversion, exponentiation, LU decomposition, QR decomposition, and singular value decomposition. It also solves systems of linear equations with step-by-step solutions. Users can input decimal fractions, mathematical expressions, matrix literals, and use built-in functions for calculations.
StudyCraft is an open source, free study tool available for Windows, MacOS and Linux. It allows users to import study materials including PDFs, Markdown files, webpages and GitHub repositories, which are automatically indexed into a vector database for semantic search. Users can customize their imported content, and the tool automatically generates flashcard decks and practice tests, plus provides study session analytics to track progress. It supports self-hosted and cloud-hosted large language model integrations and is built for fast performance.
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.
InfoPlease is a free online reference service that provides encyclopedia, almanac, atlas, biographical entries, dictionary, and thesaurus content. It also offers quizzes, daily historical facts, birthday information, and current news for users.
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Learnbin Lab is an open-access STEM resources and education platform offering advanced STEM tools, curated scientific datasets, research visuals, educational infographics and interactive science tools for professionals, researchers, students and educators.
TheDevilsDictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
MatrixCalc is a web-based matrix calculation tool. It performs matrix operations including addition, multiplication, inversion, determinant and rank calculation, transposition, diagonalization, row echelon form conversion, exponentiation, LU decomposition, QR decomposition, and singular value decomposition. It also solves systems of linear equations with step-by-step solutions. Users can input decimal fractions, mathematical expressions, matrix literals, and use built-in functions for calculations.
StudyCraft is an open source, free study tool available for Windows, MacOS and Linux. It allows users to import study materials including PDFs, Markdown files, webpages and GitHub repositories, which are automatically indexed into a vector database for semantic search. Users can customize their imported content, and the tool automatically generates flashcard decks and practice tests, plus provides study session analytics to track progress. It supports self-hosted and cloud-hosted large language model integrations and is built for fast performance.
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.
InfoPlease is a free online reference service that provides encyclopedia, almanac, atlas, biographical entries, dictionary, and thesaurus content. It also offers quizzes, daily historical facts, birthday information, and current news for users.
