Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
Gravatar is a service for providing globally unique avatars and was created by Tom Preston-Werner. It is owned by Automattic, having integrated it into their WordPress.com blogging platform.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
GNU Make is a tool which controls the generation of executables and other non-source files of a program from the program's source files. Make gets its knowledge of how to build program from a file called the makefile, which lists each of the non-source files and how to compute it from other files.
Oracle Data Visualization provides advanced analytics by representing information in graphical form, as a pie chart, graph, or another type of visual presentation.
Pentaho couples data integration with business analytics in a modern platform that brings together IT & business users to access, visualize & explore their data.
Tableau Desktop is data visualization software that lets users see and understand data within minutes. Tableau Desktop has a rich feature set and allows users to code and customize reports.
Tableau Software is a business intelligence and analytics solution that offers a range of integrated products to help users visualize and understand their data.