Startups List - Collections of the best startups in different places
Transactional Email Templates by Postmark - Open source email templates for use in your SaaS app.
Fuel Fund - List your startup and get discovered by 1000s of investors
SaaS Email Templates - Responsive HTML email templates for SaaS startups
MakerLead - Find top 100 open startups with verified monthly revenue
Email2Go.io - Perfect emails are born here