Pngquant is a lossy PNG compressor that converts images to an 8-bit PNG format with alpha channel, often producing files 60-80% smaller than 24/32-bit PNGs. It uses palette generation and dithering, offers a configurable quality range, and supports batch conversion and Unix-style stdin/stdout chaining. The compression engine is also available as an embeddable library.
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Pokelike is a fan-made Pokemon roguelike played in the browser. The game includes a story mode where players explore regions, beat gyms and conquer the Elite Four, with Classic or Nuzlocke options. It also has a Battle Tower with staged maps across five regions.
A free, fan-made, persistent Pokémon MMORPG spanning four regions, with collecting, trading, PvP, Crew Wars and endgame adventures. It includes all generations and co-op battles. It runs in a browser or through native clients.
Pokémon Showdown is a browser-based Pokémon battle simulator. Users can play battles online with randomly generated teams or teams they build themselves, with animated battles. The site also offers a damage calculator, usage stats, a Pokédex, replays and a strategy forum.
A reference page presenting a Pokémon type chart that shows the strengths and weaknesses of each Pokémon type. It explains type advantages in battle and notes that the full chart applies to games from 2013 onwards. A printable image of the chart is available for download.
Polarr offers web and mobile photo and video filters and editing tools. The page lists a Pro editor for iOS, Mac, Windows and web, a beta batch RAW editing AI workflow in the browser called Polarr Next, and 24FPS video effects for iOS and Android.
Politics and War is a free online browser strategy game in which players create their own country by choosing a leader name, flag, currency and national animal, set policies for peace or war, manage an economy and army, form alliances, engage in global battles and trade resources with other players.
Poop Fiction selects a story for a bathroom break and offers random tiny, short, medium and long stories, with reading times from one minute up to four minutes or more. Stories come from gutenberg.org, and the site uses cookies to remember reading history.
PreySense is a lightweight Windows utility for Acer Predator laptops, forked from G-Helper. It enables control of performance modes, fans, GPU behavior, RGB lighting, display options, and battery limits, and includes a compact hardware overlay without requiring the full Predator Sense app.
Silk is a browser extension implementing the client side of the Privacy Pass protocol, which provides unlinkable cryptographic tokens. It supports Public-Verifiable tokens (Blind-RSA), while Private-Verifiable, batched and rate limited tokens are marked as in progress. When a website requests a token, the extension opens a challenge page that must be solved.
A Python wrapper around the ZPar statistical natural language parser, providing a ctypes-based interface and an XML-RPC ZPar server for batch processing. It works only with English ZPar models and supports 64-bit Linux and OS X. The repository was archived on Sep 13, 2022 and is read-only; the project is no longer under active development.
Raccoon is an APK downloader for PC that downloads free and paid Android apps directly from the Google Play online store. It can use a proxy to bypass region restrictions, handles Google's Split APK format, and stores APKs locally. The site states that disabling the official Google Play app can extend battery life.
RCWM, or Right Click Windows Magic, is an open-source set of right-click context menu tools for admins and power users, written with Batch and PowerShell. It includes options such as robocopy for copying and moving directories, opening CMD or PowerShell in folders, running scripts as Administrator, taking ownership of files, and uninstalling the changes made.
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.
RIOT is a free image optimizer for Windows, macOS and Linux. It offers automatic image optimization, multi-core batch processing and a live original-versus-optimized preview. The project supports JPEG, PNG, WebP and GIF, and its first public release was in 2008.
Rolisteam is a free and open source virtual table for TTRPG sessions. It includes features such as BattleMap messaging, mind maps, character sheets, a music system, a PDF viewer and dice. Downloads are offered for Windows, Linux and Mac, with Linux also available via Ubuntu PPA and Flathub.
SciRuby is a project providing tools for scientific computing and data visualization in Ruby. Its releases include NMatrix, a linear algebra library with dense and sparse matrix storage and tensor support, alongside visualization and statistics gems. The project describes itself as currently alpha, and it notes its gems are tested but not battle-hardened. SciRuby and NMatrix are available under the BSD three-clause license.
Screenpipe is an open source tool developed as part of Y Combinator's S26 batch. It records screen activity continuously on a local device to provide context for AI agents including Claude, Codex, Openclaw, Hermes, and Runner.
The Seamount Catalog is a digital archive of bathymetric seamount maps that can be viewed and downloaded in various formats. It holds morphological data, sample information, and related grid and multibeam data files, plus user-contributed files, all downloadable. The catalog currently covers more than 1,800 seamounts from all oceans.
A KOReader settings guide describing a configuration inspired by e-reading enthusiast Stefan Svartling, with additions intended to keep the interface out of the way. It covers document settings, bottom menu settings, general settings, screen and battery tweaks, taps and gestures, advanced reading tools and the status bar, and recommends the Atkinson Hyperlegible Next font.
Sextant is a marine and coastal geographic data infrastructure run by Ifremer. It aims to document, disseminate and promote a catalogue of marine environment data, and provides tools to support data archiving, discovery and access. It is intended for Ifremer laboratories and partners as well as national and European stakeholders in the marine and coastal domain, and offers interactive maps of themes such as bathymetry and habitats.
A pure Rust tokenizer library that reads tokenizers directly from GGUF model files, requiring no Python, C++ or separate tokenizer files. It supports SPM, BPE, WPM, RWKV and UGM tokenizers tested token-for-token against llama.cpp, and offers batch encoding with optional Rayon parallelism. MIT licensed.
一键生成产品营销与泛内容短视频,AI批量自动剪辑,高颜值跨平台桌面端工具 One click generation of product marketing and general content short videos, AI batch automatic cliping, beautiful cross platform desktop tool
Simple Image Resizer is an online tool for resizing JPG, PNG, WEBP and HEIC images for social media, email or websites without installations. A premium plan offers ad-free use and batch processing of up to 25 images at once, billed monthly at $2.99 or annually at $19.99.