
Zaena — Your Business, Provable.
Track real-time profit and business performance metrics.
@uchechukwuevan · X
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60 projects

Track real-time profit and business performance metrics.
@uchechukwuevan · X

Use free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

MintMargin tracks your trading card inventory from purchase to sale and calculates your real profit after fees, shipping, and taxes — not just revenue.
@MintMargin · X

Calculate mortgages, loans, taxes, savings, and budgets online.
@darsh0891 · X
Meet CalcyFinance — the simple way to track your budgets, monitor spending, hand actually hit your savings goals without the headache. Stop guessing where your money goes. Try it out: 👍 #PersonalFinance #Budgeting #Fintech #buildinpublic

Free Etsy profit calculator that includes fees, offsite ads, materials, packaging and your labor. Compare pricing scenarios and export PDF/CSV — no signup.
@5150_MadMan · X
Check out what I just built with Lovable!

Calculate real car ownership costs for any vehicle before buying it.
@380sintgood · X
heyy, im building an AutoCost - a tool that helps people see the real cost of owning a car before they buy it. It calculates yearly/monthly ownership costs for a specific car + engine, and includes an AI mechanic for common issues and pre-buy checks.

Instant access to 305+ calculators for money, health, math, and everyday conversions.
@calculate_at · X

Research terminal for analyzing prediction market data and trends in real-time.
@AestusValueLab · X
Bloomberg for prediction markets

Real-time TRON (TRX) yield strategy dashboard with annualized calculations and exit guidelines.
@Crypto77qi · X
我做了一个策略网站 @DeFi_JUST @WestCoast_God @78caicai @TenilleDashwood @OfficialSUNio @trondaoCN @usddio_cn #TRONDeFiSummer #TRONDeFiScientist

Simulate portfolio withdrawals using a three-bucket strategy.
@mvo_guy_travis · X
I've noticed an explosion of new (free) financial tools from relatively amateur sources. Is this the vibe coded future?
Track Bitcoin supply metrics in real-time.
@_nikzzy07 · X
i've built my first app, its a BTC supply tracker i hope you guys like it!!

Interactive linear algebra tutor where you solve matrix problems with real-time AI hints.
u/CarefulArmadillo3496 · Reddit
SparkGap - an agentic linear algebra experience Hey everyone, I'm building sparkgap.ai , an interactive tutor for linear algebra. You fill in the matrices/vectors, the LLM gives you hints until you get it correct. The hope is that it will get smarter over time from the context of which questions were missed/answered correctly. As you master concepts, the progress ring next to each concept will slowly fill in. Hopefully it should be very difficult to get to full mastery. Feedback and qu