
html.contact | Email for forms. No backend needed.
Create email forms with attachments, spam screening, and API access, no backend required.
@htmlcontact · X
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Create email forms with attachments, spam screening, and API access, no backend required.
@htmlcontact · X

AI tool to detect online scams, phishing attempts, suspicious emails and malicious links.
@ZiyadL6 · X

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.

Browse 24 stock screeners to filter thousands of US tickers and identify trading opportunities.
@serkanglatt · X
Developing — 24 proven stock screeners sift through thousands of US tickers to surface just the few worth your time. Unusual stock options activity, options flow & options-backed signals let you see where institutional money is flowing.

Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X

Receive and manage form submissions via email with spam protection and webhooks.
danilovilhena · HN
AI-ready free form backend

Protect your email and calendar by requiring unknown senders to solve a CAPTCHA or pay a fee.
felixdoerp · HN
Hi HN, The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels have been abused like this. Captchainbox applies the idea of proof-of-work to email. If a sender is willing to do a bit of work to reach you, the message is more likely to be worth your time and the sender more likely to be real. The work is a traditional captcha. You can also set a pay-to-deliver amount if you want more friction. The proceeds of the delivery payment after transaction costs go to the Internet Archive and the EFF. The tool curr

Automatically hide toxic comments and detect spam on Instagram.
@DevKhandelwal84 · X
Built SocialFuse because creators and brands deserve better comment moderation. ✅ Filter spam ✅ Remove toxicity ✅ Stay focused on growth Try it:

Send a product URL and get AI-generated demo videos for marketing and social media.
u/Rae_Shin_ · Reddit
Why spend hours making demo videos? Paste a URL and let AI do it These days everyone is building products, but promoting them is a completely different challenge. Recording demos, editing videos, adding captions, and making content for Shorts, TikTok, Reels, or ads takes a lot of time. So I built Screenzy.pro. Just paste your product URL, and it automatically creates product demo videos that explain what your product does. It works well for social media content, launch videos, tutoria

Free website analyzer & SEO audit tool — scan any site for performance, SEO, security, accessibility & UI/UX issues in 60 seconds. Fix what hurts your ranking.
@WebScore_now · X

Automate cold outreach campaigns across multiple channels with real-time tracking.
@NikolozMuladze · X

Automate email warmup and improve inbox placement for bulk outreach campaigns.
@AppMailpilot · X
if you are doing bulk outreach by emails - lets warmup your emails for lifetime (for only early users) - each time now you don't have to worry about your mails if they are landing in spam go and break servers of