Open Source Software for Windows
PhantomJS
PhantomJS is a headless web browser scriptable with JavaScript. PhantomJS utilize QtWebKit as the backend to offer fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG. PhantomJS is most commonly used by developers to run browser-based unit tests in a headless system like a continuous integration environment.
Apache OpenOffice
Apache OpenOffice is a free and open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, and databases. It is one of the successor projects of OpenOffice.org and the designated successor of IBM Lotus Symphony. With Apache OpenOffice all data is stored in an open standard format allowing users to read and write files from all major office software.
WampServer
WampServer is a pre-configured web development stack for the Windows operating system. With WampServer it easy to manage a local web development environment that includes the Apache Web Server, the programming language PHP, combined with a MySQL or MariaDB database. WampServer comes with an installer that automatically installs everything you need to get started with the stack. Which makes WampServer a perfect choice for developer looking to quickly setup a local WAMP stack.
WPS Office
WPS Office is a powerful office suite that offers tools for writing documents, managing speadsheets and creating presentations. WPS Office features built-in spell check, keyboard shortcuts, view multiple documents, password protection, save to .pdf, convert to .doc .docx, mail merge, and an intuetive interface that makes you feel right at home. Included in the WPS Office suite is WPS Writer, WPS Spreadsheet, and WPSPresentation.
OpenShot
OpenShot is a free and open-sorce video editing software avalible for FreeBSD, Linux, Haiku, macOS, and Windows. OpenShot was first released in 2008 by Jonathan Thomas, with the objective of providing a stable, free, and friendly to use video editor that works cross-platform. Today, OpenShot has been download by millions and is a project that continues to grow.
Apache NetBeans
Apache NetBeans is free and open-source IDE that combines development environment, a tooling platform and application framework into one package. With Apache NetBeans developer can build applications with Java, JavaScript, PHP, HTML5, CSS, and other languages. Apache NetBeans also features code highlighting, both syntactically and semantically, while also letting developers refactor code with a wide range of powerful and handy tools. The software is openly developed by the Apache Foundation and is available for macOS, Linux, Windows and BSD.
Apache Flink
Apache Flink is a free and open-source stream framework used for processing big data. The software is developed openly by the Apache Software Foundation and the community. The core of Apache Flink is written in Java and Scala as a distributed streaming data-flow engine. Data-flows executed by Flink programs are pipelined and run parallel to maximize efficiency.
jEdit
jEdit is a mature programmer's text editor written in Java. The editor is released as free and open source software under the GNU General Public License version 2.0. With jEdit you can enjoy features like auto indentation and syntax highlighting for more than 200 languages. jEdit also provides a Plugin Manager that allows jEdit users to install, upgrade, and remove plugins without leaving the editor.
LibreOffice
LibreOffice is a free and open source suite of applications for creating text documents, spreadsheets, presentations and more. With LibreOffice you can open almost any legacy document, and it's the only free and open source office suite available on all major desktop platforms. It features a clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. The suite includes the word processor LibreOffice Writer, the spredsheet LibreOffice Calc, the presentation program LibreOffice Impress, the vector graphics editor LibreOffice Draw, the database management program LibreOffice Base and the math tool LibreOffice Math.