Yes, both Slack and Pletox offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pletox is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Pletox are unavailable.
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 Pletox includes Bitrix24, Worksuite, Projectworks, WORKetc, Teamleader, Insight Business Management, StudioCloud, biznessmaker, Project Insight and Smartpad Pro.