Yes, both Campaign Monitor and Replug offer a Free Trial.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Replug is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Replug begins at $15/Month when Billed Yearly, while pricing details for Campaign Monitor are unavailable.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.
Some top alternatives to Replug includes Bitly, tothe.link, TinyURL, ClickToTweet, Socxly, Switchy, Linkjoy, MyLinks On Acalytica, Recut and Smartlnks.com.