Yes, both Slack and ShareSpring offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ShareSpring is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for ShareSpring Starts at $50/Month.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to ShareSpring includes Crowdfire, SocialBee, Social Media Wall, Buffer, Zoho Social, Planable, Later, SocialBu, Aggreto, Broadcast, Social Mako, CloudSocial, SocialHub, Send Social Media and Posted.
