Yes, both Zealous and Submittable offer a Free Trial.
Zealous is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Submittable is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zealous Starts at $0/month when monthly whereas for Submittable Starts at $84/Month.
Some top alternatives to Zealous includes Reviewr, Judgify, Make My Contest, VYPER, EasyPromos, OpenWater Awards, Contest Rebel, SweepWidget, ShortStack, Untap Compete and Submittable.
Some top alternatives to Submittable includes SocialMailer, buzzbomb.com, Zoomph, CloudSocial, Astute Social, Lately, Socialshaker, SocialBook, Qualified, Workvivo, Approved Social and Sociocs.