Code2Flow - An easy solution to create product flows.
myCompiler - Run your favourite programming languages online
Flowchart.js - Draw SVG flow charts from simple text representations of the diagrams.
CodeChef IDE - CodeChef IDE is a free online tool for developers helping them in writing codes and programs.
DIagrams Through Ascii Art - Java command-line tool to convert ASCII diagrams to bitmaps.
Browxy - Browxy is a web application that serves as an integrated development environment where you can write in coding languages, compile them or edit them.