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Published directory entries matching your search.
A free online English course for beginner and intermediate learners, offered since 1999. It provides ESL and EFL lessons arranged in units, starting with alphabet and number basics and moving through verb tenses, time, numbers, adjectives and everyday topics.
A tutorial site presenting basic principles of Japanese grammar and usage for learners who think in a Western language. It compares and contrasts English and Japanese grammar rather than relying on memorized patterns, and Japanese examples are written in romaji rather than kana and kanji. Topics include verbs, particles and sentence structure.
A guide that introduces data processing and cleaning in JavaScript, teaching how to load, modify and transform data using JavaScript libraries. It covers tasks geared around preparing data for further analysis and visualization, demonstrated with core JavaScript API, d3.js and lodash. It assumes some basic knowledge of JavaScript.
Learn Shell is a free interactive Shell tutorial for people who want to learn Shell. It offers chapters covering basics such as variables, arrays, operators, decision making, loops and functions, plus advanced topics including special variables and regular expressions. The site states it is intended for everyone who wishes to learn programming with Unix/Linux shell interpreters.
An interactive website from Ableton for exploring music fundamentals. Users experiment with beats, melody, harmony, basslines, and song structure in a web browser. The lessons cover music-making basics and require no prior experience or equipment.
LearnOpenGL is an online book and tutorial resource for learning modern core-profile OpenGL. It covers basics through advanced topics with clear examples and aims to be understandable for people without graphics programming experience while remaining useful to experienced readers. Chapters discuss core graphics concepts, lighting, model loading and post-processing, and a walkthrough series builds a small game.
The Leiden Open Variation Database (LOVD) is an open source, GPL-licensed system for the collection, display and curation of genomic variant and phenotype data. LOVD 3.0 supports both patient-centered and gene-centered views of DNA variants. The project maintains a public list of LOVD installations and locus-specific databases, and the central Leiden server offers free hosting and support for LOVD-powered gene variant databases. The system is actively under development.
Libib is a cloud-based library management and circulation system for schools, organizations and individuals. It supports cataloging of books, board games, movies, music and video games, with barcode scanning and cloud sync across devices. Users can create and share collections, add tags and notes, and import or export data. The site lists Basic, Pro and Ultimate plans.
FindByPlate.com is a free resource for license plate lookup and reporting bad drivers. In most cases the website will identify the car and its basic information, along with any user-submitted reports, images, videos, or comments. The license plate search engine is in beta development, and the site does not guarantee the validity or accuracy of the information shown.
The Life Science Database Archive maintains and stores datasets generated by life scientists in Japan for the long term. It lets users search datasets by metadata in a unified format and access and download them under clear terms of use. It also provides datasets in forms suited to different users in public and private institutions.
The Ligand-Gated Ion Channel Database holds nucleic and proteic sequences of ligand-gated ion channel subunits, one entry per gene, manually constructed and checked. It offers multiple sequence alignments, some phylogenetic studies, and atomic coordinates when available. Development began in 1994 and the resource is now officially frozen; the data and links remain but it is not actively maintained or considered up to date.
Lightnote offers basic music theory lessons presented as interactive mini-lessons without complicated jargon or confusing notation. The lessons cover how sound works as a wave and harmony, and aim to help learners make their own music, chord progressions and melodies. The site states that no instruments are required.
Linux Command Library is a collection of cheat sheets with Linux tips and terminal basics, covering categories such as system control, users, files, package managers, video and audio, hacking tools and terminal games. The site also links to Braincup, an open source brain training project with 41 mini-games, from the same maker.
Linux Command Library is a project offering a GUI and CLI app for browsing Linux manual pages and terminal tips. The app has 9257 manual pages, 30+ basic categories and general terminal tips. It works fully offline without an internet connection and has no tracking software. Native CLI and GUI binaries are available for Linux, macOS and Windows.
Little Alchemy is a browser game in which players begin with four basic items and combine them to find dinosaurs, unicorns and spaceships. The site notes that Little Alchemy 2 has been released and that the game is also available on the App Store and Play Store.
Browser-based tool that loops or repeats any YouTube video or a chosen section, and slows playback without changing pitch. It also supports looping sections of uploaded audio files, with in-browser use and no account required for basic looping. LoopTube can be embedded on other websites, with an embed builder and parameters for video, loop, tempo, colours, and controls.
LunchBox Sessions is an industrial training library focused on hydraulic and electrical troubleshooting. It offers lessons, 3D videos, quizzes, puzzles and interactive Live Schematic simulations covering basics, schematic reading, components and measurements. A Standard Membership costs $29/month or $249/year and includes unlimited access to all materials. An Instructor Membership is required to show materials to other people.
macchina is a system information frontend with an emphasis on performance, available for Linux, macOS, Windows, NetBSD, FreeBSD, OpenWrt and Android. It displays system information such as kernel version, uptime, memory usage and processor load. It is described as basic by default and customizable by design, with a theming system kept outside the configuration file. The project is in maintenance mode, accepting only bug fixes and documentation improvements.
A staged learning roadmap for machine learning that covers mathematics and calculus, programming, and machine learning concepts. It advises moving to the next stage only after fully understanding the current one. The mathematics section covers linear algebra, calculus, and probability and statistics, and the programming section covers Python basics and advanced Python.
macOS-Simple-KVM provides tools to set up a quick macOS virtual machine in QEMU, accelerated by KVM. It requires a Linux system with qemu 3.1 or later, python3, pip and the KVM modules enabled; a Mac is not required. Installation media is downloaded by running jumpstart.sh, with Catalina as the default version and options for High Sierra, Mojave or Catalina, and basic.sh starts the machine.
A basic Mastodon client for Classic Mac OS
Makeayo is a desktop application for generative art, offering base selection, prompt-based image generation, image transformation, HD upscaling, pose matching and access to many models. It supports Windows 10 and 11, with Mac and Linux versions described as coming soon. The site states a free tier and paid monthly founder, basic, pro and max plans.
Security software for detecting malware, adware, scams, and unwanted programs on devices.
Manifold is a package for manipulating manifolds, built for Torch7. It is installed via luarocks and depends on the libatlas3-base package. The package offers basic functions such as computing neighbors and distances, and embeddings using random projections, LLE and tSNE. Demos are included, such as a t-SNE map produced on 5,000 MNIST digits.
