
bidbig.lol: a public board of digital cards
Buy a digital card on a public board. The amount you pay sets how large it is and where it sits.
@Tal_Roza · X
Appreciate the support
The full gallery
Tech stack
71 projects

Buy a digital card on a public board. The amount you pay sets how large it is and where it sits.
@Tal_Roza · X
Appreciate the support

Send and receive money in USD, EUR, and NGN with a debit card.
@FischervHelene · X
Check out what I just built with Lovable!

Free online calculators and converters for finance, health, and education without signup.
@Toolvica · X

Turn your product's revenue into a polished, shareable card. Pick a style, fill in your numbers, and download a PNG to post anywhere. Free, no sign-up.
@AravindKumarV09 · X

Transfer USDC on Polygon without giving up custody, with a transparent 1% fee.
@implicitex · X

Stop leaving money on the table. Wallet Fit matches every expense to the right credit card using cap-aware algorithms built for Canadian wallets.
@walletfitapp · X
automatically analyzes your spending to tell you exactly which credit card to use at checkout, maximizing your cash back and travel rewards.

@lightsilver323 yes, you need Telegram to sign up for my finance app. no, that's not a bug. Telegram = your account, your identity, zero password hell. after that — web, PWA, whate
@BorisSmiyan · X
yes, you need Telegram to sign up for my finance app. no, that's not a bug. Telegram = your account, your identity, zero password hell. after that — web, PWA, whatever you want. 🤖 register → 🌐 use →

RestroSuite by CodeArc — offline-first POS, kitchen KDS, QR ordering, floor, WhatsApp bills, reports, inventory, staff roles & Growth Hub. Free to start for Indian restaurants.
@Kappudeora · X

Try Income Command Center free — no signup. A calm, plain-English financial dashboard for freelancers, creators, gig workers, and contractors with variable revenue.
@ClickKitGo · X

Ask a yes/no question and get an AI-powered tarot card reading.
Yes/No 塔罗 AI — 融合 AI 技术与塔罗洞见,快速获得"是"与"否"解答

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Send USD payments to any email address; recipients claim with Google without needing a wallet.
@RyanChang720 · X
A tool that can send crypto by email