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Growth · alternatives · 2026

24 alternatives to Supafax

Hey HN, We're building Supafax an agent that uses email as its memory and config store. Here's how it works: - You email yourself to talk to the agent - The agent uses that slice of your outbox as it's inbox and short term memory - It can insert emails into your inbox to store routines, reminders, and rules for itself Email is such a good primitive because it's essentially an append-only immutable record of all the valuable context about you and your relationships, and agents thrive on this highly structured surface. The tricky bit is users are very reluctant to share that data with…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier.

  1. 1

    I run multiple projects and D2C brands, which means I manage 6 different Gmail accounts and easily get 100+ emails a day - team updates, invoices, customer queries, newsletters, OTPs… everything mixed together. After missing a few important emails that actually cost me money, I realized the problem wasn’t the number of emails, it was how hard it was to make sense of them. So I built Supamail, an AI-powered inbox that helps you read less and understand more. Here’s what it does: - Emails in last 24 hrs shrink into clear summaries, smart categories, and easy replies so you never feel…

    2025 · supamail.co · its alternatives →

  2. 2
    Upstream▲976

    The inbox designed for humans and agents

    Jun 2026 · upstream.do · its alternatives →

  3. 3
    AgentMail▲275

    Email Inboxes for AI Agents

    Apr 2026 · agentmail.to · its alternatives →

  4. 4

    AI assistant for email - get to inbox zero faster

    2023 · superflows.ai · its alternatives →

  5. 5AE

    Hey HN, we're Haakam, Michael, and Adi. We're building AgentMail (https://agentmail.to/), an API to give AI agents their own email inboxes. We’re not talking about AI for your email, this is email for your AI. We started building email agents because they can converse with users in their inboxes, automate email-based workflows, and authenticate with third-party applications. Given these unique capabilities, we think email will be a core interface for agents. But we were building on top of Gmail, which was a struggle: poor API support, expensive subscriptions, rate limits,…

    2025 · chat.agentmail.to · its alternatives →

  6. 6
    Outerspan▲205

    Deploy agents that have their own email inbox

    2025 · outerspan.com · its alternatives →

  7. 7
    Zero▲845

    Hi HN, I’m Nizar, and I’m building Zero (https://0.email) — an AI-powered email client that manages your inbox for you. Email hasn’t changed in decades, even though the way we work has. The average knowledge worker now spends close to 30% of their week on email, constantly reacting, replying, and sorting through noise. It’s become one of the biggest productivity sinks in modern work. At the same time, AI has transformed how we write, plan, and collaborate — yet our inboxes are still stuck in the past. I built Zero to fix that. Zero automatically prioritizes, organizes, and even…

    2025 · 0.email · its alternatives →

  8. 8

    Email vibing in your Gmail / Outlook

    Oct 2025 · superinbox.com · its alternatives →

  9. 9
    April▲664

    Reach Inbox Zero by speaking with your email & calendar

    2025 · apps.apple.com · its alternatives →

  10. 10

    Turn any email inbox into a native interface for AI agents

    Apr 2026 · blog.cloudflare.com · its alternatives →

  11. 11
    Slashy▲474

    The AI assistant that does email for you

    Jun 2026 · slashy.com · its alternatives →

  12. 12
    inbound ▲227

    Hey HN! I've been working on Inbound (inbound.new) - an email system that lets you programmatically manage email addresses and route them to AI agents, webhooks, or forward them anywhere. The core idea: instead of manually managing email addresses, you create them on-demand via API and route incoming emails to your AI agents or other automated systems. For AI Agents: Create [email protected] and emails get sent to your AI agent as webhooks. Your agent can reply using our SDK. Perfect for AI customer support or automated responses. For Email Forwarding: Set up [email protected] to…

    2025 · inbound.new · its alternatives →

  13. 13

    Your AI-powered executive email assistant

    2023 · shortwave.com · its alternatives →

  14. 14
    LIAMfree tier▲111

    Hi HN, yesterday I missed a meeting and spent most of the day sending ~35 emails. That kind of inbox + calendar admin has been draining my time for a long while, so I built LIAM to fix it. It helps with: - Drafting replies in your tone (honestly a bit scary how close it gets) - Scheduling meetings and handling the back and forth - Prioritising important threads and organising the inbox Important: LIAM doesn’t send anything without approval. I’d love feedback on what you’d actually trust an email agent to do, and which email workflows you’d automate first. You are more than welcome to roast…

    Feb 2026 · doitliam.com · its alternatives →

  15. 15

    Let your agents read, send, and react to email autonomously

    Jun 2026 · atomicmail.ai · its alternatives →

  16. 16
    AI Emailyfree tier, from $14.99/mo▲165

    Your AI inbox that writes like you + replies on autopilot

    Jul 2026 · aiemaily.com · its alternatives →

  17. 17
    Dirac▲128

    It all started 4 months ago during my last startup. Even with barely any traction, I was getting about 20 emails a day. Some from cold randoms, some internal, some from prospects. And I just wasted so much time in my inbox. The current solutions? Superhuman and HEY. Sure they're pretty but the ai is just an after thought. And the tool that was supposed to help me just makes me, my own assistant. So I went and built Dirac. We're launching in 8 hours, https://www.producthunt.com/products/dirac-3?launch=dirac-4

    Jun 2026 · dirac.app · its alternatives →

  18. 18
    CXassist▲136

    Put your inbox on autopilot with AI

    2023 · cxassist.io · its alternatives →

  19. 19AE

    Hi HN! We're Haakam, Michael, and Adi from AgentMail- a ycs25 company. We give AI agents their own email inboxes. Recently, we ran an experiment called Agent.Email. It's a signup flow designed specifically for AI agents instead of humans. The inspiration came from a few comments we received when we did our seed launch a few months back. They all came from the very apt observation that agents not being able to sign up to a product made for agents without human credentials was ironic and unideal. This is basically the thesis we built AgentMail on: The internet was made for humans exclusively,…

    May 2026 · its alternatives →

  20. 20
    min.▲102

    I'm a control freak, the thought of having AI auto-replying to emails is ridiculous. Every founder I've met are the same way, just typing the words "Put your support/sales on auto-pilot" makes me cringe. I built min. to help me and my teammates with emails. Who should read it, who should reply, when to follow up, etc. min. is: - A simple email interface to manage both private and team inboxes. - An AI-native inbox that sorts and prioritizes messages into custom labels and folders. - A replacement for patchwork of CRMs, helpdesks, and spreadsheets with just… email. - Conversational…

    Aug 2026 · getmin.ai · its alternatives →

  21. 21NI

    Hi HN! My co-founder and I spent the last 4 weeks building something we desperately needed ourselves. The Problem: We spend hours processing emails - scheduling meetings, going through long newsletters, downloading attachments to review, verifying documents like invoices, and of course taking actions on external systems (Salesforce, Asana, Jira etc) based on emails received. A lot of this can be automated with the help of AI agents, saving several hours every week. Our Solution: Forward any email to a specialized AI agent that completes the task and email you back the results. No…

    2025 · mxtoai.com · its alternatives →

  22. 22

    Email is one of those tools we check daily but its underlying experience didn’t evolve much. I use Gmail, as probably most of you reading this. The Arc browser brought joy and taste to browsing the web. Cursor created a new UX with agents ready to work for you in a handy right panel. I use these three tools every day. Since Arc was acquired by Atlassian, I’ve been wondering: what if I built a new interface that applied Arc’s UX to email rather than browser tabs, while making AI agents easily available to help manage emails, events, and files? I built a frontend PoC to showcase the idea. Try…

    Mar 2026 · demo.define.app · its alternatives →

  23. 23
    Espa▲81

    AI executive assistant for your to-do's, scheduling, & email

    May 2026 · espa.ai · its alternatives →

  24. 24
    Mermail▲51

    Agent-owned inbox & wallet for real world tasks

    Aug 2026 · mermail.app · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →