QupZilla is a free and open-source web browser, intended for general users.
License: Open Source
K-Meleon is an open-source web browser for Microsoft Windows. Based on the same Gecko layout engine as Mozilla Firefox and SeaMonkey, K-Meleon's design goal is to provide a fast and reliable web browser while providing a highly customizable interface and using system resources efficiently. Developed by Christophe Thibault
License: Open Source
K-Meleon is a lightweight and highly customizable browser focused on performance and privacy, while QupZilla offers a more user-friendly experience with built-in features like an ad blocker and RSS reader.