Since "Amp" is a somewhat generic term, this review focuses on the most common context for this search: , which is a popular freeware audio player that historically required a free license key to unlock full functionality.
Always download Amp directly from the official Atomic Shrimp website. If it asks for a key, check the official site's "News" or "Download" section; legitimate keys are often published right on the front page for everyone to use. Amp Free License Key
: Look for open-source software that doesn't require a license key at all. Atomic Shrimp's "Amp" (Audio Music Player) Since "Amp"