
Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Email 5 records 0 monthly visits with 0% month-over-month growth and Paid pricing. Superhuman records 6,514,241 monthly visits with +7.9% growth and Paid pricing.

Programmable, open-standard email with AI inbox agents
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | email5.io | superhuman.com |
| Pricing Model | Paid | Paid |
| Monthly Visits | 0 (0) | 6.51M (6,514,241) |
| MoM Traffic Delta | 0 (0%) | +477.48K (+7.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (56.8%) |
| Direct Visits / mo | 0 | 4.96M |
| User Rating | 3.5 | 4.5 |
| Supported Platforms | Website | Website |

Programmable, open-standard email with AI inbox agents
Messages rendered from HTML5-based templates so they can be interactive, dynamic and managed as structured components rather than plain text.
AI-driven assistance that helps draft, organize and automate mailbox workflows, with agent-based automation for routine inbox tasks.
Tools to create, distribute and manage large-scale email campaigns, with flexible usage-based sending for marketing and transactional volume.
An open specification initiative that invites developers, ESPs and organizations to help define the next generation of email standards.

The AI productivity suite with agents, email, and docs that work wherever you do
Superhuman Go brings AI agents into the tools and tabs you already use, with inline suggestions and context-aware chat.
Auto drafts, split inbox, auto labels, and auto archive keep your inbox manageable with minimal manual filing.
Collaborative documents that hold text, tables, data, and workflows in one connected surface.
Describe what you need in chat or use a visual builder, then share agents with teammates or a company directory.

Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Free / Open-sourceAll-in-one customer platform for email, SMS, CRM, and automation
Free / Open-sourceAll-in-one customer platform for email, SMS, CRM, and automation

Free / Open-sourceEmail marketing with AI send-time optimization to lift opens
Free / Open-sourceEmail marketing with AI send-time optimization to lift opens

Combines shared inboxes and team chat with AI assistance, but feels less optimized for solo speed.
Combines shared inboxes and team chat with AI assistance, but feels less optimized for solo speed.

Free / Open-sourceAutonomous marketing automation powered by AI agents
Free / Open-sourceAutonomous marketing automation powered by AI agents

Provides a smart inbox and AI writing tools across devices, but offers less advanced custom triage shortcuts.
Provides a smart inbox and AI writing tools across devices, but offers less advanced custom triage shortcuts.

Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.
Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.

SpecialistAn AI executive assistant that works across your inbox, calendar and meetings
SpecialistAn AI executive assistant that works across your inbox, calendar and meetings

Offers an AI-native email client with automated summaries and bundles, but lacks Superhuman's extreme speed focus.
Offers an AI-native email client with automated summaries and bundles, but lacks Superhuman's extreme speed focus.

Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.
Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.

Free / Open-sourceProvides an open-source AI assistant for email sorting and cold email blocking, requiring self-hosting for full control.
Free / Open-sourceProvides an open-source AI assistant for email sorting and cold email blocking, requiring self-hosting for full control.
Free / Open-sourceAI cold outreach that lands in the inbox, not the spam folder
Free / Open-sourceAI cold outreach that lands in the inbox, not the spam folder