Otter Browser is a free and open-source web browser that aims to recreate the best aspects of the classic Opera (web browser) (12.x) using Qt framework while keeping seamless integration with users desktop environments. Developed by Emdek
License: Open Source
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
Otter Browser is designed for simplicity and ease of use, making it suitable for general browsing and note-taking. In contrast, Konqueror offers extensive customization and integration with the KDE environment, catering to advanced users who need a versatile tool for both web browsing and file management.