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Published directory entries matching your search.
CSDIY is an English-language self-learning guide to computer science, described as a memento of the author's three years of self-learning at university. It contains a user guide, a reference CS learning plan, a productivity toolkit, book recommendations, and a list of high quality CS courses.
DBpedia is an open knowledge graph project supported by the DBpedia Association and a global contributor community. It aggregates cleaned structured data from Wikipedia across all languages and Wikidata, providing access to more than 228 million linked entities. The project offers data, tools and services for research and industry use, and is a core resource of the Linked Open Data cloud.
EntiTree is a visualization tool for research and study purposes. It displays connected Wikidata items on dynamic, navigable tree diagrams, with direct links to Wikipedia articles for people, organizations and events. Users can visualize Geni.com family trees, search for public and fictional individuals, and customize display themes. The tool supports multiple labels and languages, and provides a community chat via Telegram.
FlowerShow is a no-code platform that converts markdown files into hosted websites. It supports use cases including digital gardens, blogs, wikis, and documentation sites. Key features include backlink mapping, interactive knowledge graphs, automatically linked searchable wikis, sidebar navigation and full-text search for documentation, password protection, and comment functionality. The service natively supports CommonMark, GFM, Obsidian wikilinks, Mermaid diagrams, and LaTeX math, and is free to use with no credit card required.
Information Is Beautiful is an independent collective that distills global data, information and knowledge into infographics, data visualizations, interactive graphics, stories, live performances and books. It also publishes a monthly newsletter.
Lokus is a personal knowledge OS for macOS, Windows, and Linux. It offers a markdown editor, wiki links and backlinks, 2D and 3D graph views, an infinite canvas, a template system, and community plugins, and runs locally so notes remain available offline.
Mathigon is a mathematics learning site described as a mathematical playground. It offers free tools, courses and manipulatives intended to make online learning more interactive, including Polypad, fractals, flash cards, timeline, sequences, graph theory and Factris. It also lists lesson plans and teacher resources.
NoteDiscovery is a self-hosted Markdown knowledge base described as free and open source. It includes wikilinks, graph view, a drawing editor, LaTeX math, and Mermaid diagrams, along with AI assistant integration via MCP. Notes are stored as plain Markdown files in folders, and the project offers a Docker-based setup.
Park School Mathematics is a site presenting a series of mathematics books, from Book 1: Reasoning and Proving through Book 10: Functions and Models II, plus additional custom books. Book pages list lessons covering topics such as combinatorics, linear equations, quadratic models, graph theory, geometric proof, circular functions, algorithms, logarithms and recursion.
Potpie is an AI-native SDLC automation platform. It maps how systems work into a context graph and runs AI agents on it inside the user's own VPC, according to the page. The documentation page describes creating and updating documentation from connected product knowledge.
r/JEENEETards Index points to a Reddit community or thread with discussion, guides, troubleshooting, or shared resources.
r/LearnProgramming Wiki points to a Reddit community or thread with discussion, guides, troubleshooting, or shared resources.
Rosetta Code is a programming chrestomathy site that presents solutions to the same task in as many different languages as possible. It aims to show how languages are similar and different and to help a person grounded in one approach learn another. The site currently lists 1,360 tasks, 421 draft tasks, and 1,009 languages.
Simple Wiki is the Simple English Wikipedia, a free, collaboratively edited online encyclopedia that uses basic English vocabulary and shorter sentences. It is designed for users learning English, including children and adult learners, and hosts over 285,704 articles. All content is available under the Creative Commons Attribution/Share-Alike License 4.0 International and the GNU Free Documentation License, and any user can create or edit pages.
strauh.al is an art archive, digital scrapbook and experimental knowledge graph maintained since 2015. It collects artworks and images downloaded from the internet since 2015/2016 and is described by its author as an attempt to capture a consciousness in HTML. The site is continually updated and maintained through donations.
A PDF version of the Toki Pona Dictionary, compiled by Sonja Lang and released in 2021. The Wikimedia Commons file runs 392 pages and omits the book cover and pages 393 through 402, which feature creative works by different authors. The author released the contents to the public domain.
Wiki Timeline is an education and research tool that transforms Wikipedia articles into interactive historical timelines. It is designed for students, researchers, and history enthusiasts to compare historical events and figures, browse curated timeline collections, and access multilingual timeline content. Free sign-ups unlock optional premium features including ad-free browsing and viewed timeline history tracking.
WikiNearby is a tool created by BrandonXLF that finds Wikipedia articles near a user's location, another Wikipedia article, or a specified set of coordinates, with its source code hosted on GitHub.
wikmd is a file-based wiki that uses Markdown documents, converting them to HTML for viewing in the browser. Features listed include git support, image support, math and LaTeX, code highlighting, file searching, a dark theme, a knowledge graph and basic password protection. Data is stored as files rather than in a database.
Yomitan is a free browser extension that provides pop-up dictionary lookups while reading. It shows definitions, word frequencies, native audio and example sentences, and can send lookups to Anki as flashcards. The extension supports Chrome, Firefox and Edge and runs on Android devices.
