| publicsuffix-list | Cross-vendor public domain suffix database |
| haskellPackages.ideas-statistics | Interactive domain reasoner for statistics |
| haskellPackages.ip2location-io | IP2Location.io Haskell package for IP geolocation and domain WHOIS. |
| haskellPackages.enumerate-function | simple package for inverting functions and testing totality, via brute enumeration of the domain |
| haskellPackages.polysemy-methodology | Domain modelling algebra for polysemy |
| haskellPackages.publicsuffixlist | Is a given string a domain suffix? |
| circt | Circuit IR compilers and tools |
| bftools | Bundle of scripts for using Bio-Formats on the command line with bioformats_package.jar already included |
| azure-cli-extensions.ad | Microsoft Azure Command-Line Tools DomainServicesResourceProvider Extension |
| akkuPackages.industria | Cryptography, OTR, SSH, OpenPGP, etc. |
| perlPackages.MailDKIM | Signs/verifies Internet mail with DKIM/DomainKey signatures |
| perl5Packages.MailDKIM | Signs/verifies Internet mail with DKIM/DomainKey signatures |
| perl540Packages.MailDKIM | Signs/verifies Internet mail with DKIM/DomainKey signatures |
| perl538Packages.MailDKIM | Signs/verifies Internet mail with DKIM/DomainKey signatures |
| hblock | Improve your security and privacy by blocking ads, tracking and malware domains |
| maltego | Open source intelligence and forensics application, enabling to easily gather information about DNS, domains, IP addresses, websites, persons, and so on |
| haskellPackages.tld | This project separates subdomains, domains, and top-level-domains from URLs |
| gprolog | GNU Prolog, a free Prolog compiler with constraint solving over finite domains |
| haskellPackages.finito | Constraint Solver for Finite Domains |
| haskellPackages.array-memoize | Memoization combinators using arrays for finite sub-domains of functions |