Open Source Software for Windows
DB Browser for SQLite
A high quality, visual, open source database management tool for SQLite databases. With DB Browser for SQLite, users and developers can create, search, and edit databases. DB Browser for SQLite uses a familiar spreadsheet-like interface, and complicated SQL commands do not have to be learned.
QtPass
QtPass is free and open-source, cross-platform password manager that is part of the pass ecosystem. The pass project is an open initiative that builds the standard unix password manager, a universal protocol for password management. This means that you can easily switch away from the QtPass to a new client, as long as it uses the "pass" password store.
Digsby
Digsby is a free multiprotocol IM client for Windows. The software lets you stay in contact with people and friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber. Digsby also allow you to get alerts from your friends of various social networks such as MySpace, Twitter and Facebook. All this makes Digsby a well-rounded choice for staying up-to-date and in contact with people across the internet.
Notepad++
Notepad++ is a free and open source text editor that support a wide range of programming languages. Notepad++ is written in C++ and uses pure Win32 API and STL which ensures a higher execution speed and smaller program size. By optimizing as many routines as possible without losing user friendliness, Notepad++ is trying to reduce the world carbon dioxide emissions. When using less CPU power, the PC can throttle down and reduce power consumption, resulting in a greener environment.
Buttercup
Buttercup is a free and open-source password manager, available on all major platforms. With Buttercup you can track and store your login information for any service and device that you use. The application's securely encrypted vault allow you to store account information securely with additional support for 2FA/OTP (TOTP).
OpenSSH
OpenSSH is a free and open-source suite of secure networking utilities. The suite provides tools for remote login with the SSH protocol. All traffic over OpenSSH is fully encrypted eliminate eavesdropping, connection hijacking, and other malicious activities by potential attackers.
Pale Moon
A free and open-source web browser based on Goanna. Pale Moon is designed and developed with an emphasis on customizability, hence their motto "Your browser, Your way". The browser is available for Linux and Windows and is a for of Firefox with substantial divergence to make it as customizable as possible.
Microsoft Edge
A free Chromium-based web browser developed for rebuilt for performance and compatibility by Microsoft. Microsoft Edge features a browser experience that can make you more productive. You can also automatically donate to cause of your choice when you search with Bing through Microsoft Rewards and Microsoft Edge.
Godot Engine
Godot is a free and open-source 2D and 3D, cross-platform, game engine released under the MIT license. With Godot, you can develop games using Go or GDScript. Godot provides a huge set of common tools for game production, so that you can focus on making your game without reinventing the wheel. The development environment runs on multiple operating systems including Linux, macOS, and Windows and can compile games for PC, Mobile and the web browser.
Pygame
Pygame is a library that includes a set of modules designed for writing video games in Python. Pygames wraps and adds functionallity on top of the C library SDL. A cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. Allowing you to create fully featured games written entierly in the programming language Python.