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.
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OS Vault is a directory page linking to repositories for downloading Windows versions from Windows 1.0 to Windows 11, including pre-alpha, alpha, beta and RC builds, other Microsoft products such as Office and Plus, and a virtual machine program. It also links to official Microsoft desktop themes for several Windows versions and skins for Windows Media Player 9 Series. The site states it is not an official Microsoft website.
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.
PhiloBiblon is a free internet-based bio-bibliographical database of texts written in Romance vernaculars of the Iberian Peninsula during the Middle Ages and early Renaissance. The legacy version's data were frozen on 1 January 2025, and the active version is available through the PhiloBiblon Viewer. It consists of four bibliographies: BETA, BIPA, BITAGAP and BITECA.
Pico is a professional icon editor for making app icons with layer-based editing, real-time preview and one-click export for iOS and Android. It is labeled an early beta, and the site says no signup is required. Assets such as SVGs, images or built-in shapes can be uploaded and composed in layers.
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.
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.
Posting is an open-source API client that runs in the terminal. It supports building HTTP, GraphQL, and gRPC requests, inspecting responses, and keeping collections in Git alongside code. It is installable via Homebrew with a beta formula.
RelaGit is a graphical Git client built with SolidJS and Electron, available for Windows, macOS, and Linux. It provides extensible workflow and theme APIs for managing source code, and integrates with GitHub, GitLab, and Codeberg. Downloads are labeled Beta, and macOS 10.14 or later is required.
Rizin is a free and Open Source Reverse Engineering Framework. It uses a shell-like command-line environment for analyzing binaries, with automatic signature detection to match unnamed functions against FLIRT signatures. Projects for saving and loading Rizin sessions are in beta, and Cutter is Rizin's official graphical user interface. A package manager for downloading, compiling and installing plugins is still in early development.
RoSeal is a browser extension for improving the Roblox website, available for Chrome, Firefox, and Edge. It provides configurable features for Roblox pages, and some features may be disabled by default; beta and experimental features must be toggled on in RoSeal settings.
Safebooru is an anime and manga picture search engine. Images are updated hourly, and the site states it serves 4,959,920 posts. It runs Gelbooru Beta 0.2.0 and an original concept by Danbooru. A search plugin is available for Firefox.
SampleSeek is a desktop tool for finding where a song or recording's samples came from, even when they have been sped up, slowed down or pitched. It offers a four-step guided search or a Studio mode for editing and searching audio, stem separation and saving searches. A beta version is free to try on Windows and macOS.
A free, searchable online database of Supreme Court oral argument transcripts. It allows searching the text of individual statements within oral arguments since the 1950s. The site is labeled as a beta.
ScreenREC is a web-based screen recorder. Users select a video type, press record, then review and download the recording. The page describes recording a screen with audio and saving the video, and notes a beta status.
searchcode.com is an MCP server providing structured code intelligence for LLMs, with six specialized tools to analyze, search and retrieve code from public git repositories. It is free during beta with no signup or API key.
Semantic Scholar is a free AI-powered research tool for scientific literature. It uses AI to understand the semantics of scientific literature to help scholars discover relevant research. It provides a developer API with paper search functionality, improved documentation and increased stability, and offers a beta Semantic Reader augmented reading tool for select papers.
An online American Sign Language dictionary offering signs for hundreds of words and phrases, demonstrated in video by Dr. Byron Bridges. Visitors can browse signs by category or use a beta sign search, and the site points to additional ASL courses and workbooks.
A personal repository for serving web content and APIs for larger projects and games, also used as a download CDN for large files. It hosts online games including Eaglercraft, Eaglercraft Beta, and Five Nights At Winston's, plus tools such as an Eaglercraft 1.5.2 Crash Viewer and a CSS Sprite Sheet Generator.
Slatebox creates visuals from a prompt, including infographics, mind maps, timelines, pitch decks and dynamic presentations. Slates are fully editable and can be presented with one click on an infinite canvas with multi-cursor collaboration. A PDF can be transformed into a presentation, and templates are available. Pricing during the beta includes a Forever Free plan and paid Solo-Pro and Team-Pro plans billed annually.
SmoothDraw is a painting and free-hand drawing program for producing pictures, supporting brushes such as pen, pencil, dry media, airbrush, bristle brush and image hose, along with retouch tools and layers. Downloads are offered as SmoothDraw 4.1.4 Beta for Win 7 SP1 and Win 8/8.1/10 with .NET Framework 4.6, and SmoothDraw 4.0.5 for older Windows versions.
A fan-made widescreen remaster of Sonic 3 & Knuckles with downloads for Windows, Linux, macOS, Android, and beta versions for iOS and Web. A compatible Sonic 3 & Knuckles ROM is required, and the remastered soundtrack must be downloaded from the game's Options menu.
Source Filmmaker is a movie-making tool built and used by Valve to make movies inside the Source game engine. It uses the same assets as the game, so anything in the game can be used in the movie. It is available for free as a public beta and requires a Windows PC. It includes Team Fortress 2 base game assets and assets from early Meet the Team short films.
Source Library is a digital collection of ancient texts translated into English, described as a library of AI-translated ancient sources. It offers curated exhibitions and browsing by subject, covering areas such as sacred texts, classical philosophy, astrology and divination, and natural philosophy and science. The site is labelled Beta and lists books, English-readable titles and translations.