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Published directory entries matching your search.
OpenTodoList is a todo and task managing application written in Qt with a QML user interface. It targets typical desktop environments such as Windows, Linux and Mac OS X, as well as mobile devices like Android phones.
OpenUtau is an open singing synthesis platform described as an open source UTAU successor. It is available as a Windows x64 installer and portable versions, with installation guides for macOS x64 and Linux x64. A beta is referenced for DiffSinger or the arm64 version for macOS.
Operius is a downloadable Windows shooter inspired by 80s arcade games, made by Mors for the Opera GX Game Jam with music and sounds from Catonator. Players go through an infinite amount of levels and try to get the highest score.
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.
Orkas is an open-source, local-first AI desktop app. A commander LLM directs specialist sub-agents and runs installed coding CLIs including Claude Code, Codex, OpenCode, OpenClaw, and Hermes as local sessions. Its agents self-evolve via reflection and skill crystallization, supports bring-your-own keys, and is compatible with macOS, Windows, and Linux.
The Open Source Games List (OSGL) is a site for browsing technical information about open source games and related engines, frameworks and tools. Content is based on descriptions stored on GitHub, and supported platforms include Windows, Linux, macOS, Android, iOS and web. The site states it is a best-effort result likely to contain inaccurate information.
ossia score is a free, open-source intermedia sequencer for Windows, macOS and Linux. It sequences audio, video, OSC, MIDI and DMX on an interactive timeline and supports scripting with JavaScript and Faust. It is used for interactive shows, installations and live electronic music.
Overlayed is an open-source Discord overlay for Mac, Windows and Linux. It shows a movable, transparent window listing who is speaking, muted and deafened in the current voice channel, stays always on top, and ignores mouse clicks. It is built with Tauri, a Rust framework.
PabloDraw is an Ansi/Ascii text and RIPscrip vector graphic art editor and viewer with multi-user capabilities. It uses the Eto.Forms cross-platform framework for native UI on Windows, macOS and Linux, and Version 3.3 is described as still in alpha.
Packet Sender is a free, open source utility for sending and receiving network packets, with support for TCP, UDP, SSL and DTLS. It includes a built-in HTTP client for GET/POST requests, panel generation, a command line interface for scripting, and runs on Windows, Mac and Linux.
Paint of Persia is a rotoscoping pixel-art tool for drawing on top of any window or wallpaper. It is made for pixel-art animation and sprites, with scale and transparency control and export of single frames or sprite sheets. It works with Windows 7+, and the macOS version is an alpha that may contain bugs.
Pangu7 is a jailbreak tool for every iOS device on firmware 7.1 through 7.1.2. It is untethered, so it persists after reboot unless the device is erased. Installation requires a Windows XP or newer computer or a Mac running OS X 10.9 Mavericks to macOS 10.14 Mojave. The guide also covers updating certificates and fixing bootloops.
Paper2GUI is an AI desktop application toolbox that is free and ready to use out of the box. It supports more than 10 AI models covering speech synthesis, video frame filling, video overscoring, target detection, image stylization and OCR recognition, on Windows, Mac OS and Linux.
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.
A downloadable Windows application by AGGRO CRAB that procedurally generates a variety of parties as a music visualizer. Controls include spacebar to generate a new party, arrow keys to change BPM, and mute to play other beats. The developer states more content and interactive elements are likely planned.
pCubes is a twisty puzzle simulator for Windows introduced on the TwistyPuzzles.com forum. The thread states there are over 5000 puzzles, and the author notes the program has been open-source from version 0.4 beta.
PDF Fixer is a PDF repair utility for Windows that fixes corrupt PDF files and recovers PDF documents. It is described as able to recover multiple PDF files at once and to repair PDFs that PDFTK and Ghostscript cannot repair.
PDF4QT is an open source PDF editor for Windows and Linux under the LGPLv3 license. It offers applications for viewing, editing and rendering PDF documents, plus a C++ library and command line tool for developers. Features include digital signature verification, annotation editing and page organization such as merging and splitting.
PDF4QT is an open-source PDF toolkit for Windows and Linux. It combines powerful desktop applications, command-line tools, and a modern C++/Qt PDF engine that is released under the MIT license.
Free online document converter that converts Word, Excel, PowerPoint and image files such as TIF, JPG and HEIC to PDF, PDF/A or image formats. Files are uploaded through the browser with no installation required. A separate desktop tool, docuPrinter Pro, is offered for creating PDF or image files from Windows applications with a print menu.
PeaZip is a free archive manager utility for BSD, Linux, macOS and Windows, offered as an open-source alternative to proprietary software and also available as a portable package not requiring installation. It works with 200+ archive types and variants, handles spanned archives, and provides a file manager with search, duplicate file detection and integrated viewers.
PeaZip is a free, open-source file archiver utility for Windows, macOS and Linux. It opens and extracts RAR, TAR and ZIP archives and supports more than 200 formats. The software is built on 7-Zip, Zstandard, FreeArc, Brotli and PAQ compressor technologies. It adds two-factor authentication with a password and keyfile for formats supporting encryption, and it is natively portable.
PeaZip is an open source cross-platform archive manager for Linux, macOS and Windows, offered as a freeware alternative to WinRar, WinZip and similar utilities. It creates, opens and extracts 7z, rar, tar and zip files and many more archive formats. Precompiled DMG packages are available for Darwin and macOS, built for Apple Silicon and Intel architecture.
Pencil2D is an open source animation tool for making 2D hand-drawn animations, with raster and vector workflows. It runs on Windows, macOS, Linux and FreeBSD. The software is free to use, including commercially.
