Yes, both Letterlike and Posted offer a Free Trial.
Letterlike is designed for Individuals and Small Business.
Posted is designed for Individuals, Medium Business and Small Business.
The starting price of Letterlike begins at $5/Month, while pricing details for Posted are unavailable.
Some top alternatives to Letterlike includes Inbox Mailers, Posted, Serviceform, Speedy Newsletter, Qualified, beehiiv, Workvivo, SpeedyNewsletter, Icebreaker time!, NoCodeLetters, IFTTT and GetSaaSy.
Some top alternatives to Posted includes Zoho Social, Crowdfire, SocialBee, Planable, SocialMgr, Later, Continuon, Socialdraft, Broadcast, CloudSocial, SocialHub, Send Social Media, Sociality.io, Social By Emovur and Blog To Social.