Freemium
Mailgun
Email API for sending, receiving and tracking transactional mail
Email and MessagingEmail API for developers
Alternatives to Mailtrap
12 tools like Mailtrap, chosen by what they do. About Mailtrap
Free trial
SendGrid
Email API and marketing campaign tools, now part of Twilio
Email and MessagingEmail delivery at scale
Freemium
Loops
Email platform for SaaS teams, from campaigns to transactional mail
Email and MessagingEmail for SaaS companies
Open source
React Email
Unstyled React components for building email templates
Email and MessagingBuild emails with React
Freemium
Nylas
API for email, calendar and meeting data across providers
Email and MessagingEmail and calendar APIs
Free trial
Free trial
Postmark
Transactional email delivery service with an API, SMTP and templates
Email SendingReliable transactional email
Freemium
Open source
Mailpit
Local SMTP server and web inbox for testing outgoing email
Developer ToolsEmail and SMTP testing tool
Open source
Appwrite
Open source backend with auth, databases, storage and functions
Backend as a ServiceOpen backend
Freemium
Ably
Realtime messaging platform for chat, live apps and AI sessions
Realtime and VideoRealtime messaging platform