App Hosting / PaaS service catalog

Umbrel is a personal server OS for self-hosting apps like Bitcoin and Lightning nodes, Nextcloud, Home Assistant, and media servers on a Raspberry Pi or home machine.

Unacademy is an Indian online learning platform offering live classes and recorded lessons for competitive exams, school curricula, and professional skill courses.

Undertale is a role-playing indie video game created by Toby Fox in which the player controls a child who has fallen into an underground world of monsters and can choose to fight or spare them.

The Unicode Consortium maintains the Unicode Standard and related specifications that define how text in the world's writing systems is encoded and processed in software.

Unilever is a British multinational consumer goods company that makes food, home care, personal care, and beauty products sold under brands such as Dove, Knorr, Hellmann's, and Axe.

UnJS is a collective of unified JavaScript tools and libraries for modern web development, including packages like h3, unbuild, nitro, consola, and ofetch used across projects such as Nuxt.

The Unlicense is a public-domain dedication and template license that lets authors place software in the public domain, waiving copyright and related rights to the fullest extent allowed by law.

unpkg is a fast, global content delivery network for everything on npm, letting developers load any file from any npm package directly in the browser via a simple URL.

Unraid is a Linux-based operating system for building home and small-business servers, combining flexible storage arrays, virtual machines, and Docker app management in a single web-controlled NAS platform.

Unstop is an Indian platform that hosts competitions, hackathons, case challenges, and hiring opportunities for students and early-career professionals connecting with companies and colleges.

Untappd is a social networking app for beer enthusiasts that lets users check in, rate, and review beers they drink, discover nearby venues, and share activity with friends.

Uphold is a multi-asset digital money platform and exchange where users can trade, hold, and move cryptocurrencies, fiat currencies, and precious metals from a single account.

UpLabs is a design community and marketplace where creators share and sell UI kits, icons, illustrations, and templates for mobile and web interfaces.

Upptime is an open-source uptime monitor and status page generator built on GitHub Actions, GitHub Issues, and GitHub Pages, checking services on a schedule without a dedicated server.

uTorrent is a freeware BitTorrent client originally developed by Ludvig Strigeus and owned by Rainberry, used to download and share files over the BitTorrent peer-to-peer protocol.

V2EX is a Chinese-language online community for programmers, designers, and technology enthusiasts, organized as topic-based nodes for discussion, job postings, and shared links.

V8 is Google's open-source high-performance JavaScript and WebAssembly engine, written in C++ and used in Chrome, Node.js, Deno, and other runtimes.

Vaadin is an open-source Java platform for building web applications, providing server-side UI components, a component library (Vaadin Flow/Hilla), and tools that integrate with Spring Boot.

Valve Corporation is an American video game developer and digital distribution company that created franchises such as Half-Life, Portal, and Dota 2, and operates the Steam gaming platform.

Vapor is an open-source web framework written in Swift for building server-side applications, APIs, and backends, using Swift NIO for asynchronous networking.

HashiCorp Vault is a secrets management and data protection tool that provides a central, access-controlled store for tokens, passwords, certificates, and encryption keys.

vBulletin is a commercial internet forum software package written in PHP and using MySQL, used to power community discussion sites and bulletin-board style web forums.

Vectary is a browser-based 3D design and augmented reality platform that lets users create, edit, and share 3D models and embed interactive AR experiences on websites.

Vector Logo Zone is a free online library of SVG brand and product logos curated for developers and designers, offering thousands of vector logo files for use in projects and presentations.