SMTPfast alternatives

Tools that do what SMTPfast does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from SMTPfast.

Read 2026-10-21 · SMTPfast itself: Free plan · From $9/mo

With a free plan or free to use: Maileroo, Sendar, Twilio, GitHub, Cloudflare, Unitpost, Brandfetch, Higgsfield API.

10 alternativesUnlike SMTPfast

#1
Maileroo Marketing MCP · sign-in
Relays transactional and marketing email over SMTP or a REST API, with per-message delivery, open and bounce event tracking.
Also: Analytics
8.3k
Active
From $10/mo
2020
#2
Sendar Developer tools MCP · sign-in
Sends transactional emails from your code through a REST API, with reusable templates, activity logs and webhooks for delivery events.
Costs more
Little sign of use
Active
From $12/mo
#3
Microsoft Developer tools
Sells Windows, Microsoft 365 and Azure cloud services, plus Surface devices and Xbox consoles.
More widely used
135M
Active
1975
#4
Twilio Developer tools
Sends and receives SMS, email, and voice messages through APIs and manages customer conversations with AI.
More widely used
1.1M
Active
Free plan
2008
#5
GitHub Developer tools
Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.
Also: Workflow automation, Code generationMore widely used
42M
From $4/user/mo
2007
#6
Cloudflare Security MCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Costs moreAlso: Agents
4.9M
Active
From $20/mo
2009
#7
Unitpost Marketing MCP · sign-in
Sends transactional and marketing emails from code, templates, or AI-generated drafts.
Costs moreMore widely used
106
Active
From $30/mo
#8
Brandfetch Developer tools
Provides API access to a database of brand logos, colors, and assets for integration into applications.
Costs moreMore widely used
1.2M
Active
From $99/mo
#9
Progress.com Developer tools
Sells developer and infrastructure software: Telerik and Kendo UI component libraries, Sitefinity CMS, MOVEit file transfer, Chef automation and MarkLogic data platform.
Also: RAGMore widely used
973k
Active
1981
#10
Higgsfield API Developer tools
Provides API access to 50+ generative models for image, video, and audio creation at competitive pricing.
Costs moreAlso: Image, Video
791k
Active
From $15/mo
2023

← SMTPfast: the full card All Developer tools tools →

How this list is made: the words SMTPfast is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.