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A blog documenting a self-designed open source data science master's program. Posts cover a six-month plan to become a data scientist, study examples after one month, MOOCs versus classroom learning, and a final project using the D3.js library to present what was learned.
Dia is free, open-source drawing software for creating structured diagrams. A Windows version is available as a free download, and the download page also provides packages for Mac OS X and Linux. The software is released under the GNU General Public License, GPLv2.
Diffractor is a free, open-source Windows application for browsing, organizing, searching and comparing local photo and video collections. It indexes chosen folders, supports metadata search and editing, duplicate detection, RAW viewing and synchronization with network storage. It is built in C++ and Direct3D by Zac Walker, previously called ImageWalker.
Drawpile is a free, open source collaborative drawing program that lets multiple people draw, sketch, paint and animate on the same canvas at once. It also works offline as a lightweight drawing program. It is available for Windows, macOS, Linux and Android, plus a browser version.
Dust3D is a free, open source low poly 3D modeling tool for video games and 3D printing. It offers sketch-to-mesh modeling, auto-rigging, procedural animation and GLB/FBX export in a single tool, and runs on Windows, macOS and Linux.
DVDStyler is a cross-platform free DVD authoring application for creating DVDs with interactive menus. It supports burning video files to DVD and designing custom menus or selecting ready-to-use templates. It is open source software distributed under the GNU General Public License, with a version listed as DVDStyler-3.2.1.
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.
En Croissant is an open-source, cross-platform chess GUI. It serves as a chess database and analysis tool, and is designed to have a user experience closer to online chess websites while offering desktop application features. It provides game analysis reports, a database system for managing games, and an opening explorer for repertoire preparation.
FastAgency is an open-source AI development tool designed to build and scale multi-agent workflows for production use. It provides modular, integrable agents to accelerate the development of complex AI solutions.
Firecrawl is a web data API designed for AI agents. It allows searching and scraping web content, returning data in formats such as JSON and Markdown. The service also provides access to Alexandria’s providers and specialized indexes. Firecrawl is open source, used by over 150,000 companies, and announced a $75 million Series B funding round.
Flameshot is a free and open-source, cross-platform screenshot tool with built-in editing features. Users select an area to capture, then annotate it with arrows, text, blur, borders and counters before saving. It offers a configuration dialog, a command-line interface for scripting, and downloads for Windows, macOS and Linux.
Flexoki is an open-source color scheme for prose and code, designed for reading and writing on digital screens. Inspired by analog inks and paper, it is minimalistic and high-contrast, with colors calibrated for legibility across devices and light and dark modes. It is available for dozens of apps.
Float UI provides responsive website templates and UI components for React, Vue, Svelte and HTML built with Tailwind CSS. It describes the components as free and open-source and as copy-and-paste ready, alongside professional templates built on React and Next.js with Tailwind CSS.
FluentFlyout is a free, open-source media control flyout app for Windows 11 built with Fluent 2 Design. It provides media playback controls that appear when volume is adjusted or media is played, including repeat, shuffle and a seek slider, plus flyouts for upcoming tracks and lock key status. It also offers a taskbar widget for media control and options for layout, themes and backdrop.
FontForge is a free and open-source outline font editor. It is provided by a community of contributors, and the project offers documentation including a book titled Design With FontForge, an overview, a tutorial and technical references.
For the Badge creates custom SVG badges for projects. It offers a visual generator for badge design and a REST API that returns badges via query parameters. The project is open source, and badges can be exported as SVG or copied as markdown for use in READMEs.
Fork is a free and open source Minecraft server GUI designed to make server hosting easy, clean, and fast. Its features include automatic server restarts, hardware statistics such as CPU usage, and player management. Fork can only run on Windows, and its developers state that solutions for Mac and Linux are in progress.
FreeSewing is open source software that generates bespoke sewing patterns. It is intended for home sewers and fashion entrepreneurs, offering a library of parametric designs that users can customize with their measurements to create personalized patterns. The project does not sell products, display advertising, track users, or sell personal data, and is financially supported by patron contributions.
FreeShow is a free and open-source presenter software for making presentations. It offers a rich text editor, slide groups, timed slides, countdowns, MIDI controls, simultaneous outputs, web output, NDI support and remote control. It also provides scripture and lyric lookup, templates and multiple languages, and is aimed at churches.
fSpy is an open source, cross platform application for still image camera matching. An official add-on imports camera parameters into Blender and optionally sets the Blender camera background image. For applications without a dedicated importer, camera parameters can be copied one by one into the target application. It is free to download and use, with an optional donation.
FXSound is free, open-source audio software for Windows designed to improve audio quality, volume and bass output. It includes an equalizer, audio effects and customizable presets, and is intended for users including music listeners, gamers and transcriptionists, particularly those using low-quality audio hardware.
G'MIC is a full-featured open-source framework for digital image processing, distributed under free software licenses. It processes generic image datasets, from 1D signals to 3D+t volumetric sequences, and offers several interfaces: a command-line tool, the G'MIC-Qt plug-in for image editors, a C++ library, an online web service and the ZArt video tool.
Geometrize is a desktop application and open source toolkit that recreates images as abstract arrangements of rectangles, triangles and ellipses. It generates thousands of random shapes and repeatedly mutates them using hillclimbing optimization, keeping only the best-fitting ones. It is available for Windows, Mac and Linux.
GIMP, the GNU Image Manipulation Program, is a free and open source image editor available for GNU/Linux, macOS, Windows and other systems. It is used for photo retouching, image composition and image authoring, with extensibility through plugins and scripting languages.
