Alternatives

Products that do what Outerspan does

Deploy agents that have their own email inbox

1
Inbox Agents AI▲109
The intelligent unified inbox for creators & builders.
Nov 2025
2
Langchain AI Email Assistant▲164
The prototype of ambient agents
2025
3
Nitrosend▲168
Email for AI agents. They sign up, send and reply.
Jul 2026 · nitrosend.com
4
Cloudflare Email Service▲168
Turn any email inbox into a native interface for AI agents
Apr 2026
5
Outboundly.ai▲190
AI-powered cold outreach platform
2023
6
MailMolt▲93
Email identity for AI agents. Free during beta.
Feb 2026
7AD
AgentMailr – dedicated email inboxes for AI agents▲7
I kept running into the same problem while building AI agents: every agent that needs email ends up sharing my personal inbox or a single company domain. That breaks attribution, creates deliverability risk, and makes it impossible to test sender identities per agent. So I built AgentMailr. You call an API to create an inbox, your agent gets a unique email address, and replies route back to that specific agent. Works for both inbound (OTP parsing, reply routing) and outbound (cold email, notifications). Bring your own domain is supported so emails come from your domain, not ours. REST API…
Mar 2026 · agentmailr.com
8
Nelly▲135
Create your own team of AI agents
2025
9
Relay.app Agents▲215
Build an AI team that works for you
Feb 2026
10
AI Emaily▲165
Your AI inbox that writes like you + replies on autopilot
Jul 2026 · aiemaily.com
11
Email AI by Snov.io▲190
Generate reply boosting emails in seconds
2023
12
Deck▲102
The most capable AI assistant with its own inbox
Jul 2026 · hellodeck.ai
13
Openbase▲216
Manage your team of AI agents by voice, from anywhere
Jul 2026 · openbase.cloud
14
Shortwave AI Assistant▲163
Your AI-powered executive email assistant
2023
15
BetterClaw▲316
Deploy AI Agent, 60 seconds & $0 forever
26d ago · betterclaw.io
16
Agentplace 2.0▲192
The easiest way to create AI-powered websites
Nov 2025
17
Moveo AI▲237
Personalized AI virtual agents trained on your data
2023
18
CXassist▲136
Put your inbox on autopilot with AI
2023
19
EmailFlow.AI▲146
B2B lead generation with autonomous AI agents
2024
20
Blastable▲167
Get More Emails Inboxed Using AI
2025
21
Cold Mail Bot▲124
AI writes and sends cold emails
2023
22
AutoSend MCP▲171
The email platform your AI agent can operate.
Mar 2026
23
Open Agent Kit ▲165
Build, customize, deploy – AI Agents your way with OAK
2025
24
muno▲104
AI agents that talk to your team & complete tasks for you.
Feb 2026

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