- listen to traffic on interface eth0 on port 443:
sudo ssldump -i eth0 port 443 - convert pem to crt:
openssl x509 -outform der -in your-cert.pem -out your-cert.crt
LibreSSL
LibreSSL was forked by OpenBSD as a reaction to heartbleed. Fork happened at v1.0.2g. Seems to have less developers but used by OpenBSD and maybe Windows as well? Source code appears to be a drop-in replacement for OpenSSL 1.0.2g. After that the two have branched away from each other.