Robuta

https://w3techs.com/technologies/compselect/ws-google,ws-netscapeenterprise
web servers market shares, alternatives to Google Servers and Netscape Enterprise Server
netscape enterprise servergoogleserversalternatives
https://w3techs.com/technologies/comparison/ws-netscapeenterprise,ws-vwebserver,ws-webseal
W3Techs compares the usage and its trend of vWebServer and WebSEAL and Netscape Enterprise Server on websites
netscape enterprise serverusage statisticsvsfebruary
https://www.exploit-db.com/exploits/22230
Netscape Enterprise Server 4.1 - HTTP Method Name Buffer Overflow.. dos exploit for Multiple platform
netscape enterprise serverhttp methodbuffer overflowname