Free and Open Source Software
Apache CloudStack
Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on-premises (private) cloud offering, or as part of a hybrid cloud solution.
Haskell
Haskell is a free and open-source purely-functional programming language. The language has been around since the 1990's and has pioneered a number of advanced programming language features such as type classes, which enable type-safe operator overloading. Haskell is an open-source project of more than twenty years of scientific research and provides built-in concurrency and parallelism, debuggers, profilers and rich libraries that can be used to build robust applications while following functional programming patterns.
Reaction Commerce
Reaction Commerce is an open-source, headless, API-first, and modular commerce stack made for ambitious brands and retailers. Reaction’s service-based architecture is built to deliver flexibility and freedom at scale.
Docker
Docker is an open-source platform that automates deployment and development life cycles with OS-level virtualization. These virtualization are called containers and contain application specific operating system, software and configurations that are built on deployment. Containers are encapsulated and work across systems, be it in local development or on production servers, they run anywhere. Docker provides a Community Edition (CE) and an Enterprise Edition (EE) and can be used for personal and enterprise level projects alike.
React
React is a free an open-source Javascript framework for frontend development. With React you can build powerful, component-based application that supports compilation of JSX, ES6 and auto-prefixed CSS files. The popular framework is developed by Facebook and used by countless of applications across the web and mobile devices to build structured user interfaces or UI components.
Audius Music
Audius is a music streaming and sharing platform that puts power back into the hands of content creators.
Padrino
Padrino is a Ruby web framework built upon the library Sinatra. Sinatra is a DSL designed to create simple and performant applications written in Ruby. Padrino is uses Sinatra at its core and builds upon it to create a framework take makes it even easier and faster to create advanced web applications with Ruby. Padrino is designed to be agnostic and provides full support for many popular testing, templating, mocking, and data storage choices. It also provides generators that makes it easy to create, models, controllers and application scaffolding. On top of that Padrino provides functionality found in most frameworks including solutions for assets, forms, mail, caching, administration and logging.
k3s
K3s is a lightweight Kubernetes distribution by Rancher Labs intended for IoT, Edge, and cloud deployments.
AssemblyScript
AssemblyScript is a language designed for WebAssembly. AssemblyScript targets WebAssembly's feature set specifically, giving developers low-level control over their code. If you are familiar with TypeScript you will feel right at home as AssemblyScript is a variant of TypeScript that makes it easy to compile to WebAssembly without learning a new language.
ZeroNet
ZeroNet is a decentralized web-like network of peer-to-peer users. It's basically BitTorrent thrown at the problem of web hosting and networking. With ZeroNet you can create open, free and uncensorable websites using cryptograic features of Bitcoin. ZeroNet uses .bit domain names and a decentralized domain regestry using Namecoin.