Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Compare community-driven replacements for Mailtrap Email Sending in mail servers & relays workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.
These projects match the most common migration paths for teams replacing Mailtrap Email Sending.
Why teams pick it
Developers who want to run email infrastructure on their own servers
Run on infrastructure you control
Recent commits in the last 6 months
MIT, Apache, and similar licenses
Counts reflect projects currently indexed as alternatives to Mailtrap Email Sending.
Why teams pick it
Self-hosted email platform powered by AWS SES
Self‑hosted email platform delivering reliable, low‑cost SES mail
Why teams choose it
Watch for
Beta stage may lack stability
Migration highlight
Transactional order confirmations
Deliver reliable order emails with real‑time open tracking
Self-hosted email platform powered by AWS SES
Lightweight SMTP server for high-volume email reception in Go
High-performance Node.js SMTP server with modular plugin architecture
Teams replacing Mailtrap Email Sending in mail servers & relays workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Mailtrap Email Sending.
Why teams choose it
Watch for
Tied to AWS SES pricing and limits
Migration highlight
Order confirmation emails
Send reliable transactional messages instantly after purchase, ensuring customers receive receipts.
Why teams choose it
Watch for
Project was abandoned by original maintainer, now community-maintained
Migration highlight
Disposable Email Service
Receive millions of temporary emails daily, parse headers, store bodies in Redis, and log metadata to MySQL for fast retrieval
Why teams choose it
Watch for
Not a complete mail solution—requires separate systems for storage, IMAP, and local delivery
Migration highlight
Spam Filtering Gateway
Deploy Haraka in front of Exchange or Postfix to filter incoming mail through SpamAssassin, DNSBL checks, and custom rules before delivery to the mail store.