Yes, both Slack and Sendible offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Sendible is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Sendible Starts at $25/Month when Billed Yearly.
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 Sendible includes Zoho Social, Crowdfire, SocialBee, Loomly, Hootsuite, Sprout Social, Planable, SocialMgr, Later, SocialPilot, Spredfast, Socialdraft, CloudSocial, SocialHub and SendPilot.
