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ImageFoo is an image optimizer that compresses images using advanced algorithms that detect and analyse images, then compresses them to a quality chosen by the user. Users drag or click to add images and hit optimize. It supports both Windows and Android devices and compresses multiple types of images.
A University of Maryland lecturer's page linking to notes and resources for mathematics and computer science courses, including calculus, differential equations, linear algebra, abstract algebra, number theory, and algorithms. It also offers standalone class notes applicable to multiple courses.
InstallForge is a free tool for creating setup packages for Windows. It uses a wizard-driven interface that requires no scripting knowledge, and its packages are distributed as single executable files built on a native setup engine. It supports multiple Windows versions, multilingual packages, customizable setup dialogs and several compression algorithms.
J Perm is a speedcubing tutorial site offering guides for solving 3x3, 2x2 and 4x4 cubes, including the CFOP method, blindfolded solving and one-handed techniques. It also provides algorithm trainers and sections on cube reviews, example solves and F2L algorithms.
jpdb is a Japanese dictionary and learning system for kanji and vocabulary. It automatically teaches the kanji needed to read new vocabulary and can extract words from pasted text. It offers thousands of prebuilt decks with vocabulary from anime, visual novels, light novels and web novels, and uses its own spaced repetition algorithm.
JpegMedic ARWE is a tool for automatic batch recovery of JPG files partially encrypted by ransomware. It offers two recovery modes, one requiring a non-damaged JPG file from the same camera and settings, and one using heuristic algorithms. It can also extract JPG thumbnails from encrypted RAW files. It is described as a smaller sibling of JpegMedic.
KeySearch provides a free LSI keywords generator that accepts a keyword and returns semantically related keywords. The tool is described as using a basic LSI finding algorithm, while more in-depth LSI analysis is available with a KeySearch account.
Khroma is an AI-powered color tool for designers. It uses an algorithm trained on user-selected colors to generate palettes, and draws on popular human-made palettes to produce combinations. Palettes can be searched and filtered by hue, tint, value, color, and hex or RGB values, and saved to a collection.
Lazyrecords is described as an algorithm-free music discovery tool for DJs and music lovers. It draws from Discogs and lists songs as YouTube videos, and users can create playlists, organize finds, follow other users and browse a Global Feed. The site states its core features are free.
Learn X in Y minutes is a community-driven site offering brief tours of programming languages, plus frameworks and libraries, tools, and algorithms and data structures. Language pages are available in numerous translations, including English, French, German, Spanish and Chinese.
An introductory machine learning course taught by Caltech Professor Yaser Abu-Mostafa, recorded from a live broadcast and available as a free online MOOC. It covers basic theory, algorithms and applications across 18 lectures, with homework sets and a final exam. Prerequisites are basic probability, matrices and calculus.
The Libra Toolkit is a collection of algorithms for learning and inference with discrete probabilistic models, including Bayesian networks, Markov networks, dependency networks, sum-product networks and arithmetic circuits. Each algorithm is implemented as a command-line program with consistent options and file formats, and all methods are written in OCaml.
LilyPond is a free music engraving program in the GNU Project that produces sheet music through text input. Its style settings, font designs and algorithms are inspired by hand-engraved music. It handles classical music, complex notation, tablature, vocal music, lead sheets and orchestral projects.
A language learning app that teaches the most frequently used words in context, aiming for understanding of most speech and text. It uses a custom spaced-repetition algorithm and linguistic analysis with neural networks, and is described as unlimited and ad-free. A web version is in beta.
Site that algorithmically generates royalty-free lofi hip-hop tracks for use as background music in streams and videos. The online player is free with no ads and no sign-up. High-quality audio files are sold in unique or curated track collections.
LoL Math is a free League of Legends build calculator and item optimizer. It analyzes runes, enemy team composition and playstyle to calculate builds for champions, and the site states its algorithm analyzes thousands of item combinations.
Machine Learning Mastery is a website that provides educational content such as tutorials, quick start guides, and eBooks to help developers learn and apply machine learning concepts and algorithms. It covers topics like deep learning, computer vision, natural language processing, and specific libraries including TensorFlow, PyTorch, and scikit-learn.
MatlabBGL is a Matlab package for working with graphs that uses the Boost Graph Library to implement graph algorithms. It is designed for large sparse graphs with hundreds of thousands of nodes and was written by David Gleich. The page lists version 4.0 as the latest release, with downloads hosted on the Matlab File Exchange.
MDCalc is a source for medical equations, algorithms, scores, and guidelines. It offers a library of calculators, including the Cockcroft-Gault creatinine clearance equation, a weight-based levothyroxine dose calculator, CKD-EPI GFR equations, mean arterial pressure, and the SpO₂/FiO₂ ratio. Tools can be browsed by specialty and filtered by calculation purpose.
Meld Gold is a platform for tokenising physical gold and silver as digital assets backed by real metals. It states that its tokens can be traded on the blockchain and that assets are accepted by wallets, exchanges and lending platforms across the Algorand and XRPL ecosystems.
The Million Song Dataset is a freely available collection of audio features and metadata for one million contemporary popular music tracks, provided by The Echo Nest. It aims to support research on algorithms at commercial scale and provide a reference dataset for evaluation. It contains derived features, not audio, though sample audio can be fetched via provided code.
Mimi Panda is a service for converting images into coloring pages and paint by numbers, using graphic techniques and algorithms developed by its team. It offers free coloring pages and a paint by numbers converter, an API service for enterprise clients, and a subscription-based Mimi Profile service with higher quality and a personal account.
The Minden Times is a weekly newspaper in Ontario's cottage country, owned by White Pine Media alongside the Haliburton Echo. It focuses on the townships of Minden Hills and Algonquin Highlands, covering local politics, sports, culture, health, environment and business news. It began as the Minden Progress in 1963.
Machine Learning Visualized is a book of Jupyter Notebooks that implement and mathematically derive machine learning algorithms from first principles. Each notebook's output is a visualization of the algorithm during training, converging at its optimal weights. Chapters cover optimization, clustering and reduction, linear models and activation functions, and neural networks.
