
AmazoFlow — Your app is losing users. Bring them back.
Automatically re-engage dormant app users with push notifications and email.
@thepublicdev · X
Helps indie builders retain users through targeted strategic messaging
The full gallery
Tech stack
27 projects

Automatically re-engage dormant app users with push notifications and email.
@thepublicdev · X
Helps indie builders retain users through targeted strategic messaging

Warms domains for Google Workspace bulk email senders with verification and tracking.
@MarkZofMarkZ · X
Marketers who email - - still testing it, but I could use some help to validate.

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.

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.

Email and productivity assistant for Google Workspace that answers with interactive widgets you approve.
u/narin_luangrath · Reddit
Solo-built an email agent where the AI literally cannot act on its own — the architecture is the pitch Building SmolMail ( https://smolmail.com ) solo for a few months. Two build decisions turned out to be the whole product: Widgets over prose. Every answer renders as a real component (calendar grid, email list, editable forms) and the model only picks the props — so the UI can't hallucinate. The calendar shows what the Calendar API returned, period. No write tool, on purpose. Email

Automatically track job applications from Gmail or Outlook and organize your job search.
@MrTechPM · X
Built this because I was tired of job hunting feeling like a second full-time job. JobFlow automatically tracks applications from your inbox, organises your job search, and gives AI-powered guidance throughout the process. Still early, feedback helps...

Upload receipts to a shared link; LLM automatically sorts and organizes them.
jahnoikka · HN
Sorted Receipts - clients dump receipts in one link, LLM sorts them

Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X

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

Run cold email campaigns with multi-inbox sending, reply detection, and meeting tracking.
@sendmatico · X
SendMatico helps founders, agencies, and outbound teams run cold email campaigns with multi-inbox sending, follow-ups, reply detection, and deliverability tools.

Get email alerts for unusual options activity on your watched stocks with custom filtering rules.
@RobGuerra90 · X
Building – the same options data as the big platforms, at the lowest price on the market. Unusual flow for the stocks you really own, emailed instantly when it hits.

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