Paydirt is an time tracking and invoicing software made for browser-based freelancers and small businesses. It keeps track of who they're working for so that they don't have to.Paydirt is currently integrated with chrome and firefox, and will prompt they to track time based on the websites they're using and the emails they write.
DataTables is a table enhancing plug-in for the jQuery Javascript library, adding sorting, paging and filtering abilities to plain HTML tables with minimal effort. If client prefer to use a package manager such as NPM or Bower, distribution repositories are available with software.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.
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.