Muscle memory. Illustrator’s pen tool, appearance panel, and live effects behave differently. But for 80% of typical tasks (logos, posters, vector tracing), Inkscape is more than adequate.
"I need a zero-cost, no-install, Spanish-language, stable version of a 17-year-old vector graphics editor that runs on modern or restricted systems." Muscle memory
While the search for "Adobe Illustrator CS3 portable online descargar gratis español" Muscle memory. Illustrator’s pen tool