YAGO - YAGO2s is a huge semantic knowledge base, derived from Wikipedia WordNet and GeoNames.
fish shell - The friendly interactive shell.
SWI Prolog - SWI-Prolog offers a comprehensive Free Software Prolog environment for programming software that...
zsh - The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a powerful command interpreter for shell scripting.
Wikidata - Linking items with help from Wikipedia and user contributions.
PowerShell Plus - Learn how to learn and master PowerShell fast with an interactive learning center, a powerful IDE, pre-loaded scripts, and a PowerShell Editor… all for free.