Betafy - Where startups meet beta users!
Mailcastr - Create email signature that tells when your email is read.✉️
Beta Testers Hub - Early adopters network for your Startup
Email Signature Generator by cloudHQ - Free email signatures with logo, video, social icons & more!
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.