Yes, both Boost and Desktop.com offer a Free Trial.
Boost is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Desktop.com is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Boost Starts at $19/Month whereas for Desktop.com Starts at $8/User/Month.
Some top alternatives to Boost includes Campaigner, Moosend, SMTP, Omnisend, Email List Verify, Constant Contact, Emma, KIRIM.EMAIL, FreshMail, MailOptin, Inbox Mailers, Listagram, SendFox, OptinMagic and Maildroppa.
Some top alternatives to Desktop.com includes Anywhere, Qualified, SoWork, Workvivo, Flowall, TotalCloud, Airstack, Unifize, Toby, Paper Workspace, WorkDesk and Consider.