Legally, no. The developer, aescripts, sells it for around $50 (USD). They also offer:
Is there a cracked version online? Yes—but you should never use it. Here’s why: true comp duplicator after effects download free
rd_GimmeProp by Rdodge (available on AEScripts for free) can duplicate properties and some comp structures, but it’s not a full comp duplicator. It’s useful for duplicating shape layers or effects across multiple comps, but won’t handle nested pre-comps recursively. Legally, no
You can manually duplicate a comp tree without any scripts: Is there a cracked version online
Steps:
Limitation: Extremely time-consuming for projects with 10+ pre-comps. Prone to human error.