SeaMonkey 2.42.9 exp 2 is available for download (2017/12/18) :
- https://bitbucket.org/dryeo/dry-comm-esr31/downloads/seamonkey-2.42.9esr.en-US.os2_exp2.zip
"SeaMonkey is a combination of browser, email client, news reader, IRC client based on Mozilla Firefox code".
Update by: Dave Yeo