SeaMonkey is a free and open-source Internet suite. Developed by The SeaMonkey Council
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
SeaMonkey is an all-in-one internet suite that includes a web browser, email client, and HTML editor, making it suitable for users looking for integrated tools. In contrast, K-Meleon is a lightweight browser focused solely on fast browsing with a customizable interface, ideal for those who prioritize speed and simplicity over additional features.