SeaMonkey 2.42.9esr is available for download (2018/06/06) :
- Download
"SeaMonkey is a combination of browser, email client, news reader, IRC client based on Mozilla Firefox code".
You can install the prerequisites with rpm running the following string in a command line:
yum install libstdc++6 nspr nss libicu pixman cairo pango fontconfig freetype libkai libvpx libjpeg-turbo libpng zlib bzip2 hunspell libcx
Update by: Dave Yeo