dna2rna2aa
A CLI application that transcribes DNA into mRNA and the resulting Amino Acid chain. Made to be lightweight, and do the heavy lifting of Biology assignments. You can clone this or install it with NPM.
If you just want to start using it, without any installation, there is a fully working copy on Repl.it.
Installation through NPM
If you don't have Node.JS, please install it first.
npm i -g dna2rna2aa
Usage
dna2rna2aa <dna string>