toolgrep / Testing & QA / MailCatcher
Alternatives to MailCatcher
MailCatcher: A local SMTP server that catches mail and displays it in a web interface. 8 products similar to MailCatcher, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 6 of 8 have an API, 4 of 8 offer an MCP server, 1 of 8 is open source.
- MailerSend
Transactional email, SMS, and WhatsApp delivery service with a REST API and SMTP relay
- Mailtrap
Email delivery platform for developer and product teams: Email API/SMTP sending, email testing sandbox, and email marketing.
- Mailjet
Email marketing software and email API for marketing and transactional email
- DebugMail
Fake SMTP server for testing emails
- SMSGate
Open-source SMS gateway for Android — send and receive SMS and MMS via REST API, webhooks, SMPP, or SMTP.
- Pusher
Hosted realtime APIs for building live features in web and mobile apps
- Mailsac
Disposable test email addresses for QA and developers
- Requestly
Design, build and test APIs in one place. Git-native API client.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| MailCatcher | Free | yes | yes | no | no | yes |
| MailerSend | Freemium | yes | yes | yes | yes | no |
| Mailtrap | Freemium · from $15 | yes | yes | yes | yes | no |
| Mailjet | Freemium | yes | yes | yes | yes | no |
| DebugMail | Freemium · from $2 | yes | no | no | no | no |
| SMSGate | Free | yes | yes | no | yes | yes |
| Pusher | Freemium | yes | yes | no | yes | no |
| Mailsac | Freemium · from 0 | yes | yes | yes | yes | no |
| Requestly | Freemium | yes | no | no | no | — |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/mailcatcher/alternatives