
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
The full gallery
Tech stack
60 projects

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

Write offline with WYSIWYG markdown, then share private links for clients to read and comment for free.
@sathishn · X

Manage overdue invoices with a dashboard, case queue, reminders, and customer payment portal.
@dmytroships · X

Create business proposals with templates, e-signatures, and analytics.
@propelio_app · X
Hey man, Building Propelio, proposals for freelancers Let’s connect!

Trading journal to log trades and track equity curves, win streaks, and performance analytics.
@NimraWeb3 · X
So I vibe coded my own with Lovable TradeBook. Log trades w/ session, killzone, model, grade, R:R + screenshots, track multiple accounts, get a real dashboard (equity curve, win streaks, pair/session breakdowns). Demo: GitHub:

AI-powered invoice parser that extracts key information for freelancers and small businesses.
@AmanSha72844101 · X
I have build an invoice parser tool for CA freelancer and small businesses and I build it with Cursor + Claude Those are my vibe coding tool not ____ you know Here is the link 👇

Connect your business data sources (Stripe, PostHog, Google Analytics) into one dashboard.
@xdrewmiko · X
Roast my SaaS - Would you use it? - Should I change anything?

Manage invoices, track expenses, chase late payments, and automate tax calculations for freelancers.
@melorexx · X
Let me manage your finance , focus on your work. Get more value...

Speak your expenses to log spending instantly without typing.
@smoothcode97 · X

Financial forecasting and credit-analysis platform for credit professionals and business owners.
@caseyyoshi · X

API for accessing institutional-grade financial data, optimized for AI and developers.
u/wisesheets · Reddit
Most stock APIs are very expensive, have tons of data mistakes, and are not built for AI. Most stock APIs are expensive, have data mistakes, and are not designed for AI, so we built one. We recently launched the Wisesheets API and MCP server after repeatedly running into the same problems with financial data providers. Some APIs cost hundreds or thousands of dollars per month. Others have strict request limits and make it difficult to pull bulk data for screening or broader market analy

Eight free browser-based tools including JSON formatter, password generator, and color picker.
@Supportpintutec · X
Just launched QuickTools — 8 free online tools 🛠️ Word Counter • JSON Formatter • Password Generator • Color Picker 100% browser-based, no signup 🔗 #SideProject #WebDev #FreeTools #BuildInPublic