
Free Online Calculators for Finance, Health & Math | RealCalculators
Collection of 48 free online calculators for finance, health, math and everyday planning.
@avinashraj61815 · X
i vibe coded this week
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19 projects

Collection of 48 free online calculators for finance, health, math and everyday planning.
@avinashraj61815 · X
i vibe coded this week

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

One calendar for managing all hotel and shortlet bookings across Booking.com, Airbnb, and other platforms.
@hazansalami · X
Built with Claude you no go believe 😪

Get AI-ranked mutual fund research with quality scores and portfolio health checks for India.
@nava_who_codes · X
I spent 46$ to built Fund Explorer app 20$ - Claude Code 12$ - Claude API keys 11$ - Domain 3$ - To test the actual payment gateway after prod deployment

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

Task manager with projects, daily views, and recurring reminders—free with no login required.
@ThisIsRajat24 · X
everyone replacing notion with a vibe coded version right now. i did mine off trello. taskflow, free for everyone, not a clone, actually better imo. cost me more than i'd like to admit and still giving it away free :)

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?"