Konqueror is a free and open-source web browser and file manager that provides file viewer functionality for file systems such as local files, files on a remote FTP server and files in a disk image. It is a core part of the KDE Software Compilation. Developed by The KDE Team
License: Open Source
Konqueror is a versatile file manager and web browser, ideal for users who need a lightweight and customizable solution, while Firefox Developer Edition is tailored for developers with its advanced tools and frequent updates. The choice between them depends on whether the primary focus is on general browsing or development.