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Published directory entries matching your search.
Optuna is an open source automatic hyperparameter optimization software framework designed for machine learning. It provides an imperative, define-by-run style user API with eager search spaces, algorithms that prune unpromising trials, and parallelization of searches over multiple threads or processes without modifying code. It is framework agnostic and can be installed with pip on Python 3.10 or newer.
OrcaSlicer is a free, open-source 3D printing slicer for FDM 3D printers, created by SoftFever. It runs on Windows, macOS, and Linux and is licensed under AGPL-3.0. The slicer includes a built-in calibration suite and per-feature control over print settings, with tuned profiles for printers from Bambu Lab, Prusa, Creality, Voron, and others. Network printing supports Klipper, PrusaLink, and OctoPrint.
Outline is a tool for creating and running a personal VPN server. It consists of Outline Manager, a desktop application for setting up a server and sharing access keys, and Outline Client, an app for connecting to the server on mobile or desktop. Outline is open source and designed to be resistant to blocking, including DNS, content, and IP blocking.
ParaView is an open-source, multi-platform data analysis and visualization application built to analyze extremely large datasets using distributed memory computing resources. It runs on Linux, macOS and Windows, from laptops to supercomputers, and includes readers for many file formats and more than 200 filters. It can also run in situ using ParaView Catalyst and in a web browser using trame.
Permapeople is a platform for growing food, centred on a crowd-sourced plant database, an open marketplace and garden design tools. It also offers a garden journal and knowledge sharing, with the stated aim of supporting local food production and regenerating the environment.
Personas by Draftbit is an avatar generator that lets users mix and match skin, hair, facial hair, body, eyes, mouth, nose and accessories with customizable colors. Avatars can be downloaded as PNG or shared as a URL, and every avatar is a link composed with query parameters. It is free and open source under the MIT license.
PhotoDemon is a free, portable, open-source photo editor for Microsoft Windows. It requires no installation, administrator rights or internet access, and can run from a USB stick or SD card. The build offers more than 200 tools, including layers, selection tools, paintbrushes, content-aware fill and resize, plus support for PSD, PSP and XCF files. It is available under a permissive BSD license.
Picturama is a digital image organizer. It scans local files and browses photos by date, with detail views, EXIF information, tags, favorites, and rotate, tilt and crop tools. The original images are not modified. It supports JPG, PNG, TIF, WebP and HEIC/HEIF, and raw formats only on Mac and Linux. It is free and open source under the MIT license.
Pinta is a free, open-source program for drawing and image editing that combines an easy-to-use interface with tools such as a magic wand, clone and recolor. It offers real-time effects with live previews and unlimited undo, and is available on Linux, Mac, Windows and BSD.
Piskel is a free, open-source web-based editor for spriting and pixel art. It creates pixel art, game sprites and animated GIFs, and is best used in a desktop browser in landscape orientation. The tools include a live animation preview and export to GIF or PNG, including spritesheets. A separate child-friendly version, Piskel for Kids, is available. Free desktop and offline applications exist for Windows, OSX and Linux.
Pitivi is a free, open-source video editor designed for Linux. The project is built on the belief that everyone should have access to owned, improvable tools for filmmaking and personal expression. It features an intuitive user interface, a clean codebase, and an active community. Past software releases have introduced functionality including auto alignment, precise audio waveforms, object tracking, beat detection, enhanced clip properties, and media library clip tagging.
Pixel Snapper is a free, open-source tool for cleaning up AI-generated pixel art. It fixes blur, inconsistent pixels and off-grid pixels while preserving details such as dithering and outlines, and it can apply a pixel art color palette to the image. A paid desktop edition adds batch processing.
PixiEditor is a free and open-source universal 2D graphics editor built around a Node Graph workflow. It combines pixel art tools, raster image editing, drawing, vector art and frame-by-frame animation in one desktop application that runs on Windows, Mac and Linux and works offline.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. It supports diagram types including sequence, use case, class, object, activity, component, deployment, state and timing diagrams, plus non-UML diagrams. Images can be exported in PNG, LaTeX, EPS and SVG.
PolyGlot is a free, open-source tool for designing, creating and publishing constructed languages. It provides a lexicon with advanced search, a grammar repository, user-definable orthography with automatic pronunciation generation, and formatted publishing to PDF. It is compatible with Windows, macOS and Linux.
Dove is a suite of configurations and advanced modifications for Mozilla Thunderbird. The project states that it is designed to put the user first, with a focus on privacy, security, freedom and usability. Installation instructions, a manual installation path for unsupported platforms, and uninstall guidance are provided.
Purpur is open source Minecraft server software based on Paper. It supports plugins designed for Bukkit, Spigot and Paper APIs and focuses on configurability so server owners can customise their server. The PurpurMC organisation also develops PurpurExtras, a plugin for extra features, and PurpurPacks, datapacks adding features to Minecraft worlds.
pyLoad is a free and open source download manager written in Python. It is designed to be lightweight, easily extensible and fully manageable via a web interface. It runs on NAS devices, routers and headless home servers supporting Python, and supports common video sites, one-click hosters and container formats.
QCAD is a professional 2D CAD system with a clean interface and technical drawing tools such as layers, blocks, dimensioning and precision tools. Its core is available under a permissive open source license, and editions include QCAD Community Edition, QCAD Professional and QCAD/CAM.
Quarkdown is an open-source, Markdown-based typesetting system for creating papers, presentations, knowledge bases and static websites. It offers a complete authoring experience with a reactive preview and scripting capabilities, and version 2.4 allows Markdown elements to be extended.
qView is a free and open-source image viewer for Windows, macOS and Linux designed for minimalism and practicality. It supports common image formats including bmp, gif, jpg, png, tiff and webp, and offers animated GIF controls, file history, rotation and mirroring, and multithreaded preloading. It is based on Qt5 and released under the GPLv3 license.
React Suite is a suite of React components for building enterprise applications. It features 80+ components, responsive design, dark mode, internationalization, accessibility support, and TypeScript-ready code, and is free and open source. It can be installed with npm and used across frameworks including Next.js, Vite and Create React App.
RenderCV is an open-source resume builder. It produces a professionally typeset PDF from the user's content, with flexible design, guardrails and built-in AI. It supports a form editor or YAML and multilanguage CVs.
Resuminator is a resume builder for creating single-page resumes. It offers drag-and-drop layouts, one- or two-column toggles, enhanced design controls, customizable sections, multiple resumes, a rich text editor and social links. All features are stated to be free, and the project is open-source.
