DevInbox alternatives

Tools that do what DevInbox 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 DevInbox.

Read 2026-10-21

With a free plan or free to use: SentFromAI, Maileroo, Furrow Forms, mailfixture, Dead Simple Email, Jotform, Miro, Superhuman.

10 alternativesUnlike DevInbox

#1
SentFromAI Productivity MCP · sign-in
Gives each AI agent its own addressable email inbox for sending, receiving and threading mail through an API, SDK or MCP server.
Free planAlso: Agents
2
From $19/mo
#2
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.
Free planAlso: Analytics
8.3k
Active
From $10/mo
2020
#3
Furrow Forms Productivity MCP · open
Receives website form submissions and forwards them to email or webhooks, with spam filtering, set up by an agent over MCP or REST.
Free planAlso: Security
163 installs/mo
Active
From $199/yr
#4
mailfixture Productivity MCP · sign-in
Receives test emails into disposable inboxes and returns parsed one-time codes, links and authentication verdicts to CI tests.
Free plan
7
Active
From $15/mo
#5
Dead Simple Email Productivity MCP · sign-in
Provides real email inboxes for AI agents with prompt injection scanning and webhook delivery.
Free planAlso: Agents, Security
16
Active
From $1 once
2026
#6
Jotform Productivity MCP · sign-in
Builds online forms with drag-and-drop interface, collects submissions, and integrates with business apps.
Free planAlso: Workflow automation
1.7M
Active
Free plan
2006
#7
Miro Productivity MCP · sign-in
Multiplayer canvas for teams to plan, design, and build together with integrated AI workflows.
Free planAlso: Workflow automation
1.1M
Active
From $8/user/mo
#8
Supercut Productivity MCP · sign-in
Records screen and camera video, auto-edits for clarity, and routes recordings to agents or workflows via API.
Also: Video, AgentsMore widely used
371k
Active
From $15/user/mo
2024
#9
Superhuman Productivity
Email client and AI workspace that automates drafting, scheduling, and task management across applications.
Free planAlso: Workflow automation, Chat assistant
117k
Active
From $15/user/mo
2009
#10
PO6 Productivity MCP · sign-in
Forwards mail from short po6.com aliases to your inbox and lets MCP-compatible AI agents read, compose and organize it.
Also: Agents
54
From $1/mo

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How this list is made: the words DevInbox 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.