
Rekura — Trustless Subscription Protocol
Set up recurring cryptocurrency subscription payments on the Stellar blockchain.
@recurra116 · X
Crypto Subscriptions at your fingertips on
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Set up recurring cryptocurrency subscription payments on the Stellar blockchain.
@recurra116 · X
Crypto Subscriptions at your fingertips on

AI stock scanner that detects momentum and breakout signals in real time.
@TunaSignalAI · X
Any day traders / swing traders check out Its live since 2024 build with AI and using AI models and Machine learning to predict small cap pump stocks!

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

Convert client extra-work requests into professional pricing proposals for instant approval.
@ivelin_dev99 · X
ProofNod solves unpaid scope creep for freelancers and small agencies. When a client asks for extra work, you send the price/timeline impact, get a clear yes, then start. Private beta opens July 1, first 50 founding members get 50% off.

Track active investors and real-time deal flow across global private markets.
@abumukheimer · X
Find Active Investors for your startup @SheetVenture

Generate follow-up emails for unpaid invoices instantly, no signup needed.
@forgeos_ai · X
🚀 First public build. I just launched Forge Invoice — a tiny tool that helps freelancers generate follow-up emails for unpaid invoices. No signup. Free. Copy & send instantly. I'd love your feedback. #buildinpublic #indiehackers

Create bulk offer letters and certificates with custom branding and QR verification codes.
@rrvindhya · X
Building DocFlow ( — a SaaS that helps HR teams and training institutes generate personalized offer letters & certificates in bulk, with QR verification and one-click email delivery.

All-in-one link to manage deals from pitch to payment: book meetings, sign contracts, get paid.
@abhinav__dubey · X
Heyy Yooo! Building one link that helps SMBs go from first pitch to fully paid process, no juggling four tools to get there.

Queue management platform where guests join without an account and businesses manage operations via phone.
@sardamit · X
2-3 years ago, i built the waitlist app for a very popular date place in Mumbai i rebuilt it today using vibe coding

Scan smart contracts for vulnerabilities and get gas optimization suggestions.
@Ninjafromqueens · X
Hello! I am the founder and owner of Audit your smart contracts before deploying.

Discover and connect AI agents on an open network with automatic micropayment settlement.
@a_kraken_head · X
We are building Internet of AI agents.

Instantly grant product access to customers based on Stripe payments.
@ivneto_ · X
Let's connect! Shipped the thing I built because I was too lazy to write the same if-statement for the 12th time.