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13 projects


Require unknown senders to solve a CAPTCHA or pay to reach your email and calendar.
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

Fetch X post replies and publish them as embeddable social proof carousels.
@tamimbuilds · X
x replies into embedded carousel

Automate Telegram community paywalls with Stripe integration to accept recurring payments.
@Unloqqq · X
I still hope that helps

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

AI contract reviewer that flags risks and tracks signatures directly from your inbox.
@raeezatameez · X
dropping mine - would love your take!

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

Discord bot that sends GitHub notifications as DMs for reviews, mentions, CI failures, and approvals.
@gabrielcdev · X
github notifications on discord DM

Find your AI chatbot's security vulnerabilities before hackers do. 80+ attack types, independent verification, professional reports in minutes.
@SidraMumtaz25 · X
AutoRedTeam is an AI-powered security platform that automatically red-teams AI chatbots for vulnerabilities like prompt injection, jailbreaks, and data leaks. Built for AI teams to find and fix security issues before attackers do.

Create and arrange sticky notes on a digital wall.
@SKaaveri14488 · X
Lately I have been into : eating healthy (Mexican-style baked sweet potatoes😍) and building things with Claude Code. check out this sticky note wall I built yesterday.

Identify where to post and what to write on Reddit to grow without getting banned.
@usman_builds · X
Building MentionFast so users Market on Reddit without getting banned.

One message rules the internet. Overwrite it for 1.1× — no refunds, no resets. What will you say when everyone's watching?
@thelastworddot · X