
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.
The full gallery
Tech stack
27 projects

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.

Optimize electricity spending by connecting utilities, EVs, and solar to find ideal charging times.
@gleam_energy · X
Gleam — an energy management tool that helps people understand, optimize, and save on electricity. Utility data, EVs, solar, batteries, and weather combine to answer questions like "Why did my bill go up?" or "Would switching rate plans save money?"

The focus timer for Claude. Say start; it times, labels, and logs your work session with a live timer card in the chat, then syncs it to every device.
@Julan_X · X
Others and fun side kick:

Tests LLM endpoints with adversarial cases and provides OWASP-mapped security audit reports.
@aryaan_sheth · X
- LLM security for small teams

Track your AI provider spending and see how much you're burning.
@J0nasDav1d · X
Celebrate burning tokens

YouTube player with parental controls that whitelists safe channels and removes shorts and recommendations.
@AmblingLife · X

Chore chart app that gamifies household tasks and tracks allowances for families.
@bendrumin · X
I built nights and weekends as a solo founder. 📱 130+ users worldwide, paying subscribers, zero churn 🤖 Built AI-native with Claude Code + Cursor (React/Supabase) My day job: PM owning 13 partner integrations at a wealthtech CRM, where I cut client onboarding from 4-6 weeks to 1-2. Now looking for my next thing: Integration/Platform PM or technical PM roles. DMs open 👇 #buildinpublic #ProductManagement #hiring #opentowork

Free platform for testing, monitoring, and analyzing APIs with real-time insights.
@SajidAbuba74138 · X
A tool for developers

Add status, tags, and ratings to calendar events and get weekly/monthly reports on time usage.
mjkl7896 · HN
Velprium - Time Workspace

Share files and text directly between browsers without server storage or login.
@bytestreak · X
Building a frictionless, forever free file sharing utility tool. Check it out here:

Use 450+ privacy-friendly tools to format, convert, and process PDFs and images directly in your browser.
@tentaco_cc · X
Hey! I built 🐙 It’s a privacy-first web space packed with over 450+ free micro-tools for tech, design, marketing, and PDFs. The best part? Everything runs 100% locally in your browser. No registration, no ads. Let's connect! 🛠️

Browse and manage a library of 50,000+ AI prompts to streamline your workflow.
@iPranayJoshi · X
Would be honoured to come join! Built talk about vibe coding at