NLnet Labs
Unbound Portable
FreeValidate secure DNS and stub-resolvers with recursive caching.
Windows
NSD for Linux
FreeGet an open source name server for your Linux system.
LinuxDNS Analyzer for Linux
FreeAnalyze DNS traffic from tcpdump or libpcap trace files.
Linux
Dnssec-Trigger
FreeConfigure your local unbound secure server.
WindowsUnbound for Linux
FreeGet a validating recursive caching resolver.
Linux
Unbound
FreeValidate secure DNS and stub-resolvers with recursive caching.
Windows