Keep an eye on aescripts.com . Occasionally, some scripts are offered as "Name Your Own Price," meaning you can technically get them for $0, though a small tip is encouraged.
Normally, if you just hit Ctrl+D on a comp, any changes you make to a pre-comp inside the duplicate will also change the original. This script "deep duplicates" everything so you can edit the new version independently without breaking your initial design. The Risks of "Free Download" Sites true comp duplicator v3 free download
There are free scripts like rd_DuplicateComp (part of the rd_scripts bundle) that perform similar basic functions without the cost. Manual Workaround (The Free Way) Keep an eye on aescripts
Major sales happen during NAB (April) and Cyber Monday (November) , where you can usually snag these tools for 25-40% off. This script "deep duplicates" everything so you can
Scripts like this are usually created by independent developers (like those on aescripts + bcom). Buying the tool supports the creator so they can keep it compatible with new versions of After Effects. How to Get it Legally (and Cheaper)