
Numerasync | Email Automation Platform
Connect Gmail accounts to automate email sending and track opens and clicks.
@KenziChenBuilds · X
Hey! Developer behind Always looking for feedback to make it better.
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Connect Gmail accounts to automate email sending and track opens and clicks.
@KenziChenBuilds · X
Hey! Developer behind Always looking for feedback to make it better.

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

Manage and automate outreach campaigns from a centralized platform.
@X_LetsConnect · X
- all-in-one outreach platform.

Verify email addresses in bulk at 99.2% accuracy for $0.35 per 1,000.
@ilyesnamous1 · X
Sealch ( Email verification, priced honestly. Same live SMTP check and catch-all detection as ZeroBounce/NeverBounce, but $0.35 per 1,000 instead of their ~$8. Solo bootstrapped to ~$500 MRR over the last 6 months.

Bid for newsletter placement on a competitive leaderboard, paying only the difference to climb ranks.
@cagrisarigoz · X
- get your newsletter a permanent listing

AI-powered daily digest combining Gmail, Calendar, GitHub, and Figma.
@CodewithDivine · X
check this out

Send invoices in 156 currencies with unlimited clients, no monthly subscription required.
@getbillinghub · X
Invoicing you pay for by the invoice, not by the month. There's a free generator if you'd rather see the output than read about it — no account, no email.

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

Collect form submissions and deliver them to Email, Slack, Discord, or Telegram with a free tier of 500/month.
@ritufadadu146 · X

Email marketing, automation, and a built-in CRM in one place. Connect Gmail, your own Amazon SES, or any of 11 sending providers. Flat fees, never per contact.
@ShaonPro · X

Manage and monitor cold email campaigns across clients with AI alerts and performance reports.
@getcoldops · X
Mission control for cold email agencies — every client's Instantly workspace in one dashboard, alerts before deliverability tanks, and AI-written weekly client updates.

Email marketing platform for SaaS companies to send onboarding sequences, trials, and transactional messages.
@nikpolale · X
not first but always happy to have you onboard