Plunk

Front is a customer communication platform that brings email, chat, and social messages into shared inboxes. Teams collaborate on replies, assign conversations, and automate workflows to handle customer messages at scale. It was founded in 2013 and went...

E-Warmup is an automated email warmup platform that improves email deliverability by building sender reputation through authentic engagement signals. It connects to Gmail, Outlook, SMTP, SendGrid, Amazon SES, Mailgun, and other major email providers to warm...

mTempmail is a free temporary email service. Generate a disposable email address instantly with no signup required — perfect for receiving verification codes, activation links, and confirmations while keeping your real inbox private and spam-free. It also...

Bento is a bootstrapped email marketing and automation platform combining campaigns, transactional email, segmentation, and visual workflow automation for SaaS companies and solopreneurs. It offers developer-friendly SDKs for Rails, Laravel, Node, and Python.