Open Source Software for Windows
QuiteRSS
QuiteRSS is a open-source cross-platform RSS and Atom news feeds reader application. With QuiteRSS you can store and read the latest news through an embeded browser using webkit core. Allowing you to filter your news by new, unread, starred, deleted. With the help of QuiteRSS' feed import wizard you can easiliy search feed URLs and import the latest news from your favorite source quickly, without the hassle of manual work.
Wasmer
Socket.io
Socket.IO is a free and open-source JavaScript library that can be used for building realtime web applications. The library consists of two parts, a server-side library for Node.js and a client-side library that runs in the browser.
Winyl
Winyl is a free and open-source, lightweight music player and music library application for orginizing and playing audio on Microsoft Windows. The application provides rich audio codec support, a simple UI and offers a intuitive way to organize all your music. Much like Winamp, the application also provides a dedicated radio section that can be used to listen to live radio.
NosDB
NosDB is an open-source NoSQL Database that is 100% native to .NET. The database is released under the Apache 2.0 License and can be used in commercial and non-commercial projects alike. NosDB helps you accelerate your.NET development by providing a flexible JSON schema. Developers use NosDB to build projects tailored around Personalization, Content Management, Catalogs, Data Logs, Real-Time Big Data, Internet of Things, Scalable Web Apps, Scalable Web Services and more
IPython
IPython is a powerful, free and open-source interactive shell used for interactive computing. It's an alternative to the Python interpreter that provides improvements over its default counterpart. These improvements include syntax highlight, proper indentation, documentation, and much more. With iPython, you can use Jupyter notebooks to create reports that contain live code, charts, and more interesting things for data science and data visualisation.
HandBrake
HandBrake is a free and open-source video transcoder. With HandBrake you can convert video from nearly any format to a selection of modern, widely supported codecs. The software makes it easier to rip videos from a DVD to any data storage device. Allowing you to digitalize your movie collection and bring them with you into a new age.
Universal Media Server
Universal Media Server is a free and open-source media server capable of serving videos, audio and images to any DLNA-capable device. The software is regularly updated and has more features than any other media server, including paid media servers. Universal Media Server supports streaming to consoles like PS3, Xbox One, Xbox 360 and TVs like LG, Panasonic, Philips, Sharp, Samsung, Sony, and Vizio.
Cypress.io
Cypress is an open-source front-end automated testing tool made specifically for developers and QA engineers. With Cypress.io, you can do fast, easy and reliable testing for anything that runs in the browser.
LibrePCB
LibrePCB is a free and open-source EDA (Electronic Design Automation) software used to develop printed circuit boards. The software is available cross-platform and can be used natively on macOS, Linux and Windows. LibrePCB ships with a advanced control panel, a simple yet powerful schematic editor and board editor, and a library manager that makes it super easy to extend the functionallity of the core.