PortableAppZ offers portable applications that run from a removable drive on Windows computers without installation, preserving settings on the drive rather than the host. Entries include portable Chrome, Chromium, SRWare Iron, Thunderbird and Opera builds. The site notes turning off User Account Control or running the launcher as admin on Vista and above.
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PortChecker is a free online tool for checking whether the ports of an internet-connected device are open or closed. It can also ping a remote server and test port forwarding settings. The tool attempts a TCP connection and reports success or a port open signal. Checking requires the computer to be reachable via a public IP address or have a port forwarded.
Powder Game 2 is a free browser-based fluid dynamics simulation game. It is a remake of Powder Game that introduces more realistic physical calculations. Players can experiment with a wide variety of powders and materials, create artistic works, and upload and share their creations. The game offers many tools for adding elements, controlling wind, and interacting with objects. It supports full-screen mode and includes user rankings.
PreserveTube is described as a time capsule for YouTube videos. It preserves any YouTube video by creating a snapshot that remains available even if the original video disappears or is taken down. It saves the original video along with descriptions, titles and other metadata.
PrintFriendly is a set of online tools for editing, signing, compressing, converting, merging and splitting PDFs, and for removing ads and clutter from web pages before printing or saving them as PDFs. It also offers a browser extension, a WordPress plugin and a REST API that converts a URL or HTML into a clean PDF.
Pritunl is a free open source enterprise distributed VPN server supporting OpenVPN, WireGuard and IPsec. It virtualizes private networks across datacenters and provides remote access through a web interface. Servers are distributed across multiple instances with automated failover, and the project is built on MongoDB. A Python plugin system allows custom authentication and access control.
PrivMeta is a free browser-based metadata remover for supported images, videos, audio, PDFs, and documents. File cleaning runs in the browser without uploading files or requiring an account, so files stay on the device. Supported formats include JPEG, PNG, WEBP, GIF, PDF, DOCX, MP4, WEBM, MOV, MKV, WAV, MP3, FLAC, AAC, and M4A.
PrivMeta is a free, open-source metadata removal tool. File bytes are processed in the browser and are not uploaded by the cleaning code, according to the repository. It handles JPEG, PNG, WebP, GIF, PDF, DOCX, MP4, MOV, WebM, MKV, MP3, WAV, FLAC, AAC and M4A files using format-specific parsers.
A collection of uBlock Origin custom filters that enable access to Scinapse pro features by removing paywall blur, cookie consent prompts, and pro feature overlays from the scinapse.io website. A note indicates that the Research Intelligence function works but may require manual scrolling via scroll wheel or middle click.
Promptfoo is an AI security testing platform that integrates into development workflows. It connects to AI apps, agents and CI/CD pipelines, generates context-aware attacks, and provides remediation guidance in pull requests. It offers red teaming, an open-source edition and integrations including GitHub Actions, GitLab CI, Jenkins and MCP.
AI video inpainting project for removing objects or filling missing areas in footage.
Portable version of Discord PTB, a proprietary freeware VoIP application designed for gaming communities, packaged with Portapps. The portable release forces the Electron userData path to a data folder and disables update checks. A shortcut is created at launch for native notifications and removed when the application closes.
A GitHub repository containing search plugins used by the search feature in qBittorrent. It serves as a hub for third-party contributors to gather and share plugins and is maintained by community contributors rather than the qBittorrent core team. Python 3 is required since Python 2 support was removed.
qBittorrent is an open-source software project intended as an alternative to µTorrent, based on the Qt toolkit and libtorrent-rasterbar library. It runs on FreeBSD, Linux, macOS, OS/2 and Windows, and is developed by volunteers. Its features include a µTorrent-like interface, no ads, a search engine, RSS support, BitTorrent extensions, remote control through a web interface and bandwidth scheduling.
Radio Nations is a free online radio directory that indexes live radio stations from multiple countries, searchable by country or genre. Stations play in the browser without an account or app. The site does not host audio and links directly to each station's source, so stream quality depends on the originating station. Stations that go offline are removed until the stream is restored.
Radmin VPN is free software that creates virtual local networks, connecting computers located behind firewalls into one network. It is compatible with Windows 11, 10, 8 and 7, and offers a secure tunnel with 256-bit AES encryption. It can be used to connect distributed teams, work remotely, and play LAN games over the Internet.
RapidRAW is a non-destructive, GPU-accelerated RAW image editor for Windows, macOS, and Linux. The editor and its built-in local AI tools are free; an optional RapidRAW Cloud subscription provides remote GPU generative edits.
Rave is a watch party service for watching Netflix, YouTube, Amazon Prime, Disney+ and HBO Max with friends in sync, and for texting and talking while watching. It is available for Mac, iPhone, Android and Windows. The site states that Apple removed Rave from the App Store.
Rawkuma is an online platform for reading raw manga, manhwa and manhua. It offers thousands of titles across many genres with daily chapter updates and high-quality scans. Content can be read for free without registration, and a premium option removes ads. The site is designed to work on mobile, tablet and desktop, with bookmark and history features.
RcloneShuttle helps upload, sync, or manage files across cloud storage, remote drives, or shared storage services.
Rclonexbot is a Telegram bot that remotely transfers files from one cloud to another cloud using Rclone. The bot is launched through Telegram, with an updates channel and a support group referenced.
REBASE is a curated, open database of restriction enzymes and related proteins, including DNA methyltransferases. It provides data on enzymes, genomes, sequences and scientific literature, along with data files, tools, lists and compilations. The site states that information from REBASE should remain open and accessible to the public.
A notice recommending that users avoid GShade and use normal ReShade instead. It states that GShade's developer added code to reboot computers when a third-party app managed updates, as an anti-tamper measure. The notice says the app stopped working after removal from GitHub and is back online now.
Remove Empty Directories (RED) is an open source tool that batch deletes empty folders. It recursively searches below a start folder and shows empty directories before deleting them. It supports multiple delete modes, including deleting to the recycle bin, filter lists for white and black listing, and can treat directories containing empty files as empty.