Open source software is software that has its source code made available to the public, allowing anyone to view, modify, and distribute the software. Unlike proprietary software, which is owned by a specific company or individual and cannot be freely modified or distributed, open source software is typically developed and maintained by a community of volunteers or organizations.
LibreOffice is a free and open-source office productivity software suite that is designed to be a viable alternative to the popular Microsoft Office suite. It is developed by The Document Foundation and is available for Windows, macOS, and Linux operating systems. LibreOffice is not only free, but it is also highly customizable, making it a popular choice for individuals, businesses, and educational institutions alike.
Thunderbird is a free and open-source email client developed by Mozilla, the same organization behind the popular Firefox web browser. It is available for Windows, macOS, and Linux operating systems and provides a range of features to help users manage their email accounts.