Link-Assistant offers a functional free version of SEO SpyGlass. While it has limits on the number of links you can see, it is 100% safe and allows you to test the core features.
Searching for cracked versions of SEO software often leads to several serious problems:
Use the "Penalty Risk" metric to identify and disavow toxic links before they trigger a Google penalty.
If the cost is a concern, there are safer ways to access SEO SpyGlass: