Suggestion: Pale Moon #112
Description
If you need current web browser that is up to date but also supports older technologies (SSLv2, obsolete ciphers), PaleMoon should worth a try.
Most of the source code is available under the MPL
"Pale Moon is an Open Source, Goanna-based web browser available for various operating systems including Microsoft Windows, Mac OS and Linux (with contributed other operating system support), focusing on efficiency and customization. Make sure to get the most out of your browser!
Pale Moon offers you a browsing experience in a browser completely built from its own, independently developed source that has been forked off from Firefox/Mozilla code a number of years ago, with carefully selected features and optimizations to improve the browser's stability and user experience, while offering full customization and a growing collection of powerful extensions and themes to make the browser truly your own."