
Cobrai
AI-powered retention intelligence for subscription businesses.
@cobraisystem · X
Manual retention can’t keep up with your acquisition - sees the slip, forecasts the churn, and triggers the save that keeps your growth compounding.
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AI-powered retention intelligence for subscription businesses.
@cobraisystem · X
Manual retention can’t keep up with your acquisition - sees the slip, forecasts the churn, and triggers the save that keeps your growth compounding.

Instantly share files and text across devices (Mac, PC, iOS, Android, Smart TVs) via your browser, no signup needed.
@WackyCrocoGator · X
This one doesn’t require any signup or payment. Just load and multiple device by opening the site on them and connect them for an easy way to drop text and file to each other.

Free local-first API client for HTTP, WebSocket, GraphQL, gRPC, MQTT, and more. No account or cloud required.
@HalxDocs · X
Reqit—a fast, local-first API client for developers.

AI research and outreach agent that generates personalized cold messages.
@Aryan_2190 · X
Hyper Personalized Outreach for B2B

Record real achievements on a blockchain verified through AI and peer review.
Proof of Awesome — AI 辅助的学术同行评审的共识机制,将你的真实成就永久记录在区块链上,用有意义的人类成就取代传统挖矿 - [更多介绍](https://proof-of-awesome.app/call-for-achievement)

Analyze Hacker News profiles with your own LLM API key, fully client-side.
Topfi · HN
Like everyone on HN, I love nothing more than to (re)read my own comments. Getting my intuition that I am among the smartest, most humble, highest quality commenters on here confirmed by an LLM so capable that the US government had to temporarily export restrict it [0] seemed only natural. Having had my perfection confirmed, I decided to share this joy with you as I had a few percent usage left before a reset. I took a few prompts, then did a review of the output which resulted in Selbstbild, a BYOK (Anthropic / OpenRouter) web app that gives you a summary and assessment of your public comments by one of our machine Gods, including Fable 5 (provided your can afford that luxury at API pricing). In all seriousness, I have, for a long time, used my own comments on social media (including HN) as part of a personal needle-in-haystack test, simply because I do know my somewhat peculiar style and what I tend to write, but also because I can sometimes write in a slightly confusing manner, ma

Personal AI bot with magic-link sign-up and multi-channel access, billed monthly.
@atbigthumb · X
very good for prediction markets

Mask API keys, passwords, and tokens locally before sending to AI chat tools.
@souvik_ghosh975 · X
A small Chrome extension with one job: stop accidental secret leaks into AI chats. That's Secret Sanitizer 🥷.

Secure client portal for sharing files, answers, and approvals with real-time status visibility.
@danielkleach · X
is a branded client portal for files, answers, sign-offs, and signatures. No more scattered email threads, docs in Google Drive, or confusion about who is waiting for whom. Business and client both see what is done and what is in progress on both sides, in

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

Share a link to start a video chat with anyone, no sign-up required.
u/abcde12399 · Reddit
I always begged engineers to fix even a typo. Now I've built my own video call app. I come from business and design. I was always the one begging engineers to fix even a typo. Then I found vibecoding and started building things myself!!! TinyRoom is my first real project. You share a link, people click it, you're in a video call. No accounts, no downloads. Up to 8 people (4 for mobile). Basically Zoom without everything annoying about Zoom. I use it for my own community's weekly sessions

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