Earlier quoted context omitted.
We decided on the name because in Switzerland there are 4 official languages spoken and written; but all the infrastructure is shared (the promise of the tool). Helvetia is an alternate name for Switzerland: https://en.wikipedia.org/wiki/Name_of_Switzerland#Helvetia .
With regard to the product, it could be a hint at mercenary times. Once upon a time it was possible for any army to employ Swiss mercenaries in their rows. Not that I, as an engineer, approve that it's generally a good idea to unite more technologies than absolutely necessary in the same project.
I haven't realized that typing the above comment. :D