PhotoRec is a free and open source file carver data recovery tool that recovers lost files from hard disks, CD-ROMs, and camera memory. It ignores the file system to reach underlying data, so it works even when media is severely damaged or reformatted. It uses read-only access and runs on multiple platforms under the GNU General Public License.
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PhotoGIMP project that adjusts GIMP's layout and shortcuts to feel more familiar to Photoshop users.
PHPCRM is a web-based customer relationship management software built with PHP that helps businesses manage customer interactions, leads and sales pipelines. It is offered in two editions: PHPCRM Open-Source, free and self-hosted, and PHPCRM Cloud, a premium fully hosted edition. Core features include lead management, customer relationship management, proposals and estimates, invoicing and billing, inventory, tax, staff and user management, internal messaging and reporting.
Physically Based is an open source database of physically based rendering values for CG artists, covering materials, light sources and cameras. It compiles values from publications, manufacturer documentation and user measurements, with each entry linked to at least one reference. The database is separate from the website and is built as an open API that can be integrated into applications as plug-ins, presets or web apps.
Open-source project that supports software development with code generation, analysis, debugging, or documentation.
Picocrypt NG is a community-developed continuation of the archived Picocrypt project, described as a small, simple file encryption tool. It uses the XChaCha20 cipher and the Argon2id key derivation function. Windows 7/8 builds are CLI-only, and the macOS release targets Apple Silicon and macOS 15.0 or later.
picom is a compositor for X11 and a fork of Compton, with animation support. The repository notes it is a development branch where bugs are expected. It can be built with meson and ninja, and the built binary is found in build/src.
Pictogram is a Mac utility for applying custom app icons. According to the source, it preserves custom icons after apps update themselves. A beta version is offered free. The app cannot change icons of apps pre-installed with macOS or apps downloaded from the App Store. It requires macOS 11.0 or newer.
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.
Pidgin is a free chat program that lets users log into accounts on multiple chat networks simultaneously. It is compatible out of the box with networks including Jabber/XMPP, Bonjour, Gadu-Gadu, IRC, and others, and plugins can add more. Pidgin runs on Windows, Linux, and other UNIX-like operating systems; it contains no ads and is open source under the GNU General Public License.
PigPen is an open-source Map-Reduce library for the Clojure programming language, hosted on GitHub under the Netflix organization. The repository includes documentation for getting started, tutorials, and support for data formats including Parquet and Avro.
A torrent client for streaming and downloading on multiple devices, available for Windows, Linux, MacOS, Android and iOS. Installation through app stores is recommended, and the releases are considered beta, with features subject to change. The project was rewritten from scratch for v0.10.0 and is licensed GPL-3.0.
Open-source project that supports AI agents, automated workflows, orchestration, or delegated tasks.
PingMe is an open source notification tool that provides both a command-line interface and a web service, allowing users to send alerts across a wide range of supported messaging platforms from a single unified tool.
PINN is a version of the NOOBS operating system installer for the Raspberry Pi, presented as an enhanced installer. It is distributed as PINN-lite, which users copy to a FAT32-formatted SD card and boot on the Pi. PINN does not include any operating systems; users must download them from the internet or supply them on a USB stick.
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.
Pipe Viewer is a lightweight YouTube client for Linux that does not require an API key. The repository contains the pipe-viewer application and a GTK-based interface, along with availability information.
Open Source framework for voice and multimodal conversational AI.
Piper is a fast and local neural text-to-speech engine. It is developed by OHF-Voice and hosted on GitHub as OHF-Voice/piper1-gpl. The project provides text-to-speech capabilities that run locally without requiring external services.
pipes-rs is an over-engineered rewrite of pipes.sh in Rust. It can be installed via Cargo, Homebrew on macOS or Scoop on Windows, and is configured through a TOML file with options for color modes, palettes and pipe kinds.
PiPifier is a native macOS 10.12 Safari extension. It allows every HTML5 video to be used in Picture in Picture mode. The project is hosted on GitHub under the arnoappenzeller user account.
Pirsch Analytics is a privacy-friendly, open-source web analytics tool presented as an alternative to Google Analytics. It is cookie-free, integrates via a tracking script, plugins, or API, and omits consent banners. The tool offers dashboards with filters, session analysis, custom event and conversion goal tracking, and imports data from Plausible, Fathom, and Google Analytics.
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.