
OutReign — Know Who to Email Before Writing a Word
Find sales prospects and launch personalized email campaigns based on customer descriptions.
@buildwitbrandon · X
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Find sales prospects and launch personalized email campaigns based on customer descriptions.
@buildwitbrandon · X

Enter your domain and let AI find ideal customers, write personalized emails, and handle follow-ups. Powered by 105M+ companies and 536M+ people profiles.
@Sia_TechAi · X
🚨 NO CLIENTS? 6 MONTHS BUILDING, STILL $0 REVENUE. THE PROBLEM WAS NEVER THE PRODUCT — IT WAS SALES. DROP YOUR LINK: THIS AI FINDS YOUR BUYERS, WRITES THE EMAILS, BOOKS THE CALLS. $30 FREE CREDITS, ONLY 9 LEFT — GONE TONIGHT 👇

Rewrite your emails to sound appropriate for different cultures and audiences.
u/Constant_Extreme7408 · Reddit
I built a Chrome extension that rewrites emails for different cultures — would love feedback on the website Hey everyone, I've been building MailPolish — an AI tool that polishes emails, letters, and texts so they sound right for different cultures. Not just translation, but actually adapting tone, formality, and etiquette (e.g., a direct "Please send this immediately" becomes softer and more indirect for Japanese business culture). It works as a Chrome extension inside Gmail, a Gmai

Create email aliases that forward to your inbox, keeping your real address private.
@me_jaythorat · X
lets you create email aliases on a free shared domain or your own custom domain, like [email protected]. Send and receive mail from them without ever leaving your primary mailbox and without revealing your real identity in case where you dont want to share your real email.

Email inbox integrated with CRM, Slack, and Claude.
thomas_housecat · HN
I got so frustrated with all of the busywork that was building up in my email inbox that I built something better. Housecat is the first email inbox that helps you get real work done. Our email connects to the other services you actually use like your Claude, Notion, Slack, CRM and Github and makes it easy to send messages and data between them. So if you need to update the CRM with a new lead, track a Github issue or ask a question of a colleague in Slack, you can do it all from right inside of

Analyzes why your emails land in spam and provides AI-powered fixes to improve inbox placement.
ismaelyws · HN
Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.

Generate disposable email addresses instantly to protect your privacy from spam.
@LateNightTo8xx · X

Create and send personalized AI newsletters in minutes with templates and automation.
@Naman9761 · X
My Recent build (vibe coded) that real users are using: GitHub: Portfolio:

Generate temporary email addresses with AI-powered translation, summarization, and Q&A features.
ChatTempMail — AI 驱动的临时邮箱服务

Manage customer emails, messages, and context in one shared inbox for support teams.
@adultish_gavino · X
Vibe coding gets you to a demo fast. The first customer question is when it becomes a real product. Now you need a shared Inbox, website messages beside email, customer context, and no duplicate replies. I kept rebuilding that layer. So I made Minnas.

Unified email platform for transactional emails, marketing campaigns, and AI-powered email creation.
@_gchauhan · X
Hello Jasper! We've been building Most businesses use separate tools for: • Transactional email • Marketing campaigns with A/B testing • Mailboxes • Contacts • AI email creation • Dynamic content integration • Domain specific branding Five products. Five subscriptions. Five sources of truth. We decided to build communication as one connected system instead. combines email infrastructure, campaigns, mailboxes, contacts, domains, AI generation, and webhooks in a single platform. Would love feedback on the product, positioning, messaging, and first impressions.

AI assistant that manages email and calendar with lasting memory.
Cloud9Trader · HN
1Presence – AI with memory at scale, layered recall and a vault you own