AEJuice offers a free trial for almost all AE (After Effects) products. No credit card required, no watermarks.
Your trial is ready!
Here is a video of activating the trial:
Can I extend a trial?
Not at the moment.
Trial for PR (Premiere Pro) will be available later once the plugin is released.
All other video-editors do not have a trial at the moment but you can find samples available on selected product pages.