
takehome.tax — Canada & US Tax Calculator
Estimate take-home pay for Canadian provinces and U.S. states with simplified tax calculations.
@takehomeTax · X
US and Canada income tax calculator that takes RSU into account
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Estimate take-home pay for Canadian provinces and U.S. states with simplified tax calculations.
@takehomeTax · X
US and Canada income tax calculator that takes RSU into account

Calculate how a raise affects your income after benefits cliffs.
@getpapi_ai · X
placed 3rd in the r/vibecoding vibejam 2026. It made me go viral in r/ohio It was my first ever jam entry, I'm also not a developer...or from Ohio. was planned, reviewed, shipped and currently managed by

Monitor AI API costs from OpenAI, Anthropic, and xAI by connecting provider keys.
@ylin_ · X
So my launch of – the simple, proxy-less AI model cost monitoring software – didn’t generate much response. I said I would build this in public, so here is an update. I am very happy with the app for my own use. It’s everything I want it to be. So even without users, I’m glad I built this just for myself. It’s probably not accurate to say I “launched” this. All I did was publish the app, make a single post on X, LinkedIn and Show HN. That’s not really any sort of distribution effort needed for an app. So I will continue to get the word out regarding Costbase on Reddit, and other places, as well as engaging with X users who have problem with AI cost. (If you guys have ideas, lmk) It’s just a small app, a side project, so I won’t put too much time marketing this before calling it quit. Pre-AI, I’ve always spent so much effort building an app that I don’t have any time left for marketing (I also run an ERP consultancy). Now, building is pretty much automated, so th

Restore old, damaged, or faded photos and colorize black & white images with AI.
PhotoRestore.ai — AI 照片修复工具,支持老照片修复、划痕去除、黑白照片上色与图像增强,上传即可自动修复,无需注册

Calculates concrete needed for slabs, footings, driveways, and small construction projects in cubic yards, bags, or cubic meters.
taylormichellebf · V2EX
做了一个免费的 Concrete Calculator,帮 DIY 用户估算混凝土用量 最近做了一个英文站:The Concrete Calculator 地址: https://the-concrete-calculator.com 它主要解决一个很具体的问题:用户在做 patio 、shed base 、walkway 、slab 这类小型混凝土项目时,不知道该 买多少混凝土、多少袋,或者该订多少 cubic yards 。 目前支持: - Concrete Slab Calculator - Concrete Pad Calculator - Concrete Yard Calculator - Concrete Bag Calculator - waste factor - cubic yards / cubic feet / cubic meters - 简单材料成本估算 做这个站的原因是我发现很多英文混凝土计算器要么广告太重,要么结果不够直观。这个版本尽量把核心计算和 单

Detect and recover duplicate payments and vendor overcharges in QuickBooks or Xero automatically.
@AdiSanghaviLeak · X
Building Leaki ( Leaki is an AI platform that detects revenue leakage, fraud, billing errors, and financial anomalies before they become costly. Always happy to connect with founders, AI builders, and SaaS teams!

Find hidden cloud and AI costs across AWS, Azure, GCP, and more with automated audits.
ssgonella · HN
QuantumReckon – find your real cloud and AI spend, including tokens

Analyze landing pages for conversion issues and get ranked fixes with estimated lift.
@JonBuildsHQ · X
My project is A tool for SaaS founders to spot landing page leaks. What are you working on?

Paste n8n or Make workflow JSON to get an instant analysis report on reliability, cost, and security.
@dash12_dev · X
analyzes n8n workflows and Make scenarios, finding breakpoints, cost risks, and hidden reliability issues.

Compare 700+ Azure VM prices across regions with real-time pricing data.
@honitec · X
做了一个每天自动刷新的模型定价 API 替代 LiteLLM,每天拉最新的推理定价 为什么需要「每天」? 因为 AI 模型价格一周一变 3月 $8/M → 6 月 $3/M,半年跌了一半多 半年前到处喊 GPU 短缺 现在全员降价抢客户 估值故事讲的是稀缺 现实是价格比成本跌得快 这中间的落差,就是泡沫

Retries failed Stripe charges and recovers subscriptions with automated dunning sequences.
@Holdfast_app · X

Validate, format, and repair JSON instantly in your browser.
@AniketMishra00 · X
world's first JSON Intelligence platform.