
Nothing Superapp
All-in-one app for nutrition, fitness, and focus management with an AI copilot, available at $1/mo.
@alextechhub · X
Built this app to replace subscriptions I paid, and I think it could get some traction
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All-in-one app for nutrition, fitness, and focus management with an AI copilot, available at $1/mo.
@alextechhub · X
Built this app to replace subscriptions I paid, and I think it could get some traction

A public board of app ideas nobody has time to build. Post yours without an account, or copy an idea's generated build prompt and ship it.
@gianmauric · X
post your build idea

Organize passwords, documents, and digital legacy information in one secure place.
@DLVaultApp · X
Most families aren't prepared for someone's digital life. Passwords. Documents. Recovery information. Important instructions. Digital Legacy Vault helps you organize everything securely and decide exactly who can access it when it's needed. #buildinpublic

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

Distribute beta apps to testers in seconds. BetaDrop gives iOS and Android builds an instant OTA install link — no TestFlight, no Play Store, no tester accounts.
@SunilJagnani · X

Create professional invoices, quotations, and receipts instantly without signup.
@nametsobuilds · X

Bulk unsubscribe from emails to clean your Gmail or Outlook inbox.
@inboxedcom · X

Create App Landing Pages with built-in Analytics in seconds. Stop app store rejections with instant Privacy Policies, Data Deletion URLs, and app-ads.txt files. The complete toolki
@duovibersLLC · X
If you launch multiple apps, save time: ⏱️ 1-min setup for app pages & privacy links 🎯 Smart links ( auto-redirect to App Store/Play Store w/ tracking 💵 $4.99/mo Stop repeating setup 👉

Create App Landing Pages with built-in Analytics in seconds. Stop app store rejections with instant Privacy Policies, Data Deletion URLs, and app-ads.txt files. The complete toolki
@duovibersLLC · X
If you launch multiple apps, save time: ⏱️ 1-min setup for app pages & privacy links 🎯 Smart links ( auto-redirect to App Store/Play Store w/ tracking 💵 $4.99/mo Stop repeating setup 👉

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

A programmable XRP account whose key is born inside a secure enclave and can only ever sign what your on-chain rules permit. Steal the key, hijack the app, poison the address — it
@KeylessAccounts · X
Keyless is an XRP account that only does what you allow.

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