Swiss Army knife

noun2

1. •
   Any of a class of multi-function pocket knives or multitools, having a blade and various tools, such as screwdrivers and can openers.

   • She carries a Swiss Army knife for the convenience of having dozens of small tools handy at any moment.
2. •
   (figurative) A tool or approach that has many functions, one for every perceivable need.

   • This software has been a good Swiss Army knife for us as we rebuild our systems.