Yes, both SellerSkills and eChannelHub offer a Free Trial.
SellerSkills is designed for Individuals, Large Enterprises, Medium Business and Small Business.
eChannelHub is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SellerSkills Starts at $45/Month whereas for eChannelHub Starts at $89/Month.
Some top alternatives to SellerSkills includes WooCommerce, Shopify Plus, BigCommerce, Shopify, AmeriCommerce, eChannelHub, Marketplace Manager, Equip and WebCommander.
Some top alternatives to eChannelHub includes WooCommerce, Shopify Plus, 2Ship, BigCommerce, Shopify, AmeriCommerce, Quick eSelling, SellerSkills and Unicommerce.