log4cplus :

http://log4cplus.sourceforge.net/

https://sourceforge.net/projects/log4cplus/

Version 1.2.0 , Last Update: 2016-01-16

log4cpp :

http://log4cpp.sourceforge.net/

https://sourceforge.net/projects/log4cpp/

version 1.1.2 , Last Update: 2016-04-29

log4cxx :

https://logging.apache.org/log4cxx/

http://www.apache.org/dyn/closer.cgi/logging/log4cxx/0.10.0/apache-log4cxx-0.10.0.zip

version 0.10.0 , Last Update: 2015-02-17