Vector Magic - Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
potrace - Open source program that transforms bitmaps into vector graphics.
Rust - A safe, concurrent, practical language
RasterVect - Professional raster to vector conversion program (vectorizer).
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible