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Datumbox is an open-source machine learning framework written in Java for rapid development of machine learning and statistical applications. It focuses on including many machine learning algorithms and statistical methods and on handling large datasets. The code is licensed under the Apache License, Version 2.0, and releases are available on Maven Central, including version 0.8.2.
Devika is an open-source implementation of an Agentic Software Engineer, initially started as an alternative to Devin. It uses large language models, planning and reasoning algorithms, and web browsing to develop software from human instructions. The project is in an early experimental stage, and the repository notes that there are unimplemented or broken features.
dCode is a collection of over 900 online tools for solving games, riddles, ciphers, mathematics and puzzles. It offers word game solvers, a cipher identifier recognizing more than 200 ciphers, and tools for codes, alphabets, calculators and algorithms. The site states that it is free.
DEAP is an evolutionary computation framework for Python aimed at rapid prototyping and testing of ideas. It provides genetic algorithms over representations such as lists, arrays, sets, dictionaries, trees and Numpy arrays, genetic programming with prefix trees, evolution strategies including CMA-ES, multi-objective optimisation, and co-evolution of multiple populations. It supports parallelisation via multiprocessing and SCOOP and works out of the box with Python 3 since version 0.8.
Can you spot the DeepFake? Detect Fakes challenges you to discern AI-manipulated videos from real videos. Can you do better than an algorithm?
Detectron2 is Facebook AI Research's next generation library providing detection and segmentation algorithms, succeeding Detectron and maskrcnn-benchmark. It supports computer vision research projects and production applications at Facebook and includes capabilities such as panoptic segmentation, Densepose, Cascade R-CNN, rotated bounding boxes, PointRend, DeepLab, ViTDet and MViTv2. Models can be exported to TorchScript or Caffe2 format for deployment.
DirectSearch.Net is a hand-curated web directory that provides links to high-quality web content across categories including search engines, news, learning resources, health information, job listings, travel content, maps and additional topics. The service does not display advertisements and does not use algorithms to sort or select its listed links.
Docusaurus is an optimized site generator built with React. It builds documentation websites, blogs, marketing pages and more from MDX, producing static HTML files. It supports translations, document versioning and content search via Algolia.
dpnn is a package of deep extensions to the nn neural network library, providing extra modules and criterions beyond the main nn package. It includes modules such as Serial, Inception, ReverseTable, SpatialUniformCrop and SpatialGlimpse, plus modules and criterions for implementing the REINFORCE algorithm.
An article presenting initial impressions of DSPy, a framework developed by the Stanford NLP group for algorithmically optimizing language model prompts. The author describes DSPy as closing the loop of prompt engineering by turning a manual process into a structured machine learning workflow. The piece notes it is not a substitute for the official documentation and covers topics such as teleprompter, optimization, compile, bootstrapping and metric functions.
dupeGuru is a cross-platform GUI tool for finding duplicate files in a system, written mostly in Python 3. It can scan filenames or contents, and includes Standard, Music and Picture modes with their own scan types. Filename scans use a fuzzy matching algorithm that finds similar filenames, not only identical ones.
Electric Sheep is a collaborative abstract artwork founded by Scott Draves, run by people worldwide through a distributed client. When computers sleep, the software creates morphing abstract animations called sheep, shared over the internet; viewers may vote for favorites, driving a genetic algorithm that evolves the flock. It is described as a free and open source service, with HD Gold Sheep offered as a premium version.
ELKI is an open source data mining software written in Java. It focuses on research in algorithms, emphasizing unsupervised methods in cluster analysis and outlier detection, and offers data index structures for performance and scalability. It is designed for researchers and students to extend.
emel is a simple and functional machine learning library built for the Erlang ecosystem and implemented in Gleam. It turns data into functions and supports installing through rebar.config, mix.exs or gleam add. Implemented algorithms include linear regression, k nearest neighbors, decision tree, naive Bayes, k means, perceptron, logistic regression and neural network, along with mathematics, algebra, geometry and statistics.
Everypixel is a stock image search engine that aggregates licensed content from multiple stock websites. It uses its own algorithm to distinguish dated and plastic photos from good stock images, and offers search by image and by author, filters for color, orientation and image type, and price comparison across sites.
FAIR Animated Drawings is an implementation of the algorithm described in the paper 'A Method for Automatically Animating Children's Drawings of the Human Figure'. It is a Python package for creating animations starring user-drawn characters, configurable to switch characters, apply different motions and change output formats. A browser-based demo is also referenced.
SeekStorm, associated with the name FAROO, is an open-source vector and lexical search engine written in Rust. It is offered as an embeddable library, a self-hosted server, or a managed cloud service. The system provides fast hybrid search with features such as facets, filters, ranking, and typo tolerance. SeekStorm targets use cases including e-commerce, documentation, applications, and AI agent retrieval, positioning itself as a permissive alternative to services like Algolia and Elasticsearch.
FastEdit is a repository intended to help developers inject fresh and customized knowledge into large language models using one command. It supports models including GPT-J, LLaMA, LLaMA-2, BLOOM, Falcon, Baichuan, and InternLM. The implemented algorithm is Rank-One Model Editing (ROME). It requires Python 3.8+ and PyTorch 1.13.1+.
Fediverse.Party is a guide to decentralized, autonomous networks running free open software on servers worldwide. It presents federated platforms including Friendica, Lemmy, Mastodon, PeerTube, Pleroma, Funkwhale, Hubzilla, Misskey, Pixelfed and diaspora. The site states there are no ads and no algorithms.
Feed Flow is a minimal RSS reader that presents feeds in a clean chronological timeline with no algorithmic sorting. It is available for Android, iOS, macOS, Windows and Linux, requires no account, and supports RSS, Atom and OPML formats. It offers sync options including iCloud, Dropbox, Google Drive and self-hosted services such as FreshRSS, Miniflux, Feedbin and BazQux, and supports offline reading and reader mode.
File Shredder is a free desktop application for shredding unwanted files beyond recovery. It offers five shredding algorithms and an integrated Disk Wiper that uses a shredding algorithm to wipe unused disk space. It runs on Windows NT through Windows 10 and is released under the GNU/GPL license for personal and commercial use.
FreePNGLogos is a platform for free transparent PNG images and logos. Images and logos are uploaded by members and authorized moderators and can be downloaded for free. The site offers thousands of high quality transparent pictures and logos, permits only non-copyrighted uploads, and allows easy search based on an AI algorithm.
The Front End Interview Handbook provides free interview preparation resources for busy engineers, including quiz questions, JavaScript coding questions, algorithms questions and front end system design questions. The content is updated for 2026 and is community-vetted. The site states it is completely free to read.
Efficient pure-Matlab implementations of graph algorithms to complement MatlabBGL's mex functions.
