
AskLedger — Cut your AI spend, and prove the savings are real
Scan your AI bills to find waste and prove savings with tamper-evident evidence.
@askrashidkhan · X
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Scan your AI bills to find waste and prove savings with tamper-evident evidence.
@askrashidkhan · X

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

AI personal assistant accessible via WhatsApp for reminders and expense tracking.
u/Limp-Upstairs6798 · Reddit
People don't want another productivity app I've been building an AI personal assistant that lives entirely inside WhatsApp. Instead of asking people to download yet another productivity app, create an account and learn a new interface, they can simply send a message like they normally would. For example: - "Remind me to pay rent next Friday." - "I spent $28 on groceries." - "Remember my passport is in the top drawer." - "Add milk and eggs to my shopping list." - "Share this shop

Dashboard that consolidates sports betting reports from multiple bookmakers without manual data entry.
u/Beginning-Eagle-1957 · Reddit
A coworker who likes betting told me he tracked everything in Excel. 7 months of development later, it became a SaaS. I work as a Data Analyst at a private equity bank. In January a summer intern joined who did a lot of sports arbitrage betting, placing bets across multiple bookmakers at once to lock in profit from the odds difference. I asked him how he kept track of it all, and he said it was just Excel, because nothing built for that actually existed. That idea kept nagging at me, and that

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

Read earnings call transcripts free or access via REST API and MCP server
@RobGuerra90 · X
Building : access earnings call transcripts via a cheap API or MCP server. Pull any company's call right into your workflow.