If you are looking for a free peak limiter that achieves similar "ultramaximizing" results on paper and in practice, consider these options:

You're looking for a free download of the L2 Ultramaximizer VST plugin. Here's what I found:

: Widely considered the closest free equivalent to the L2. It is a look-ahead brickwall limiter with a clean, transparent sound and simple "Threshold" and "Output" sliders. George Yang W1 Limiter

Would you like a tutorial on achieving L2-style loudness using free VSTs instead?

as a standalone legal VST. It is a legendary brickwall peak limiter used for mastering and level maximization. Official Purchase and Trial Options Direct Purchase : You can buy the L2 Ultramaximizer directly from Waves Audio for approximately $129 (often on sale for much less). Subscription : It is included in the Waves Creative Access subscriptions (Ultimate and Essential tiers). : Waves typically offers a 7-day free trial for their plugins through the Waves Central application.

Waves does not offer the L2 for free permanently, but you can use these official methods to test it: 7-Day Free Trial : You can download a fully functional trial from the Waves Audio website. It requires Waves Central for installation and activation. Bundle Promos

(by Vladislav Goncharov / Tokyo Dawn Records)

I can, however, provide a legal, actionable guide with alternatives and lawful ways to get similar results. Which of these do you want?