Yes, both SocialMailer and buzzbomb.com offer a Free Trial.
SocialMailer is designed for Individuals, Large Enterprises, Medium Business and Small Business.
buzzbomb.com is designed for Large Enterprises, Medium Business and Small Business.
The starting price of buzzbomb.com begins at $49/Month, while pricing details for SocialMailer are unavailable.
Some top alternatives to SocialMailer includes Campaigner, Moosend and SMTP.
Some top alternatives to buzzbomb.com includes Post For Rent, TapInfluence, Upfluence, HYPR, BuzzGuru, Hubble, SocialBook, CreatorDB and Influence Hero.