金融商业3 weeks ago
Credit Card Calculator: Find the Card That Pays You Most | Cardocrat
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@cardocrat · X
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根据您的消费模式找到为您赚取最多收益的信用卡。
@cardocrat · X
使用Apexa Pro的100+免费计算器进行数学、化学、物理和财务计算，无需注册。
u/averageChilean · Reddit
Built a free tool site to help my brother study — now has 100+ tools, would love feedback My brother's in high school and needed something more visual to study chemistry, physics, and math, so I used Claude to build him a simple site with interactive calculators and visualizers. I'm not a programmer or from a tech background, so without AI this wouldn't have happened, at least not this fast. It ended up helping him a lot more than I expected, so I kept expanding it, added a bunch of other
免费在线计算器和转换工具，用于金融、健康和教育，无需注册。
@Toolvica · X
估计加拿大和美国各地的税后收入。
@takehomeTax · X
US and Canada income tax calculator that takes RSU into account
计算会议和项目的真实成本,了解它们对公司的实际影响。
@mafaldateles_ · X
My first web app is out! I built a tiny tool to help answer a simple question: could that meeting have been an email? You decide.
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!
免费建筑材料计算器，用于估算屋顶、混凝土、油漆等材料用量。
@TridibS79303970 · X
Just shipped the first tool for BuildCalcHub Roofing Calculator is now live. Building a collection of free construction calculators—one tool at a time. Next: Concrete, Gravel, Paint, Deck, Fence & Tile. 🔗 #buildinpublic #indiedev #webdev #opensouce
用于分析创业和营销指标的免费AI计算器
@NAVNEET_CODES · X
Free AI, startup, and marketing calculators built for founders, marketers, students, and business professionals.
用免费计算器和付费方案规划股权、税务及净资产增长。
charleswcho · HN
Continuum – Financial simulations for DIY multimillionaires
Stud & Slab：免费的 DIY 家居计算器，包括木工、露台、混凝土和干墙等。
u/CaboWabo55 · Reddit
Built a DIY calculator site in a weekend — betting on "boring tools" over content After my last project (an AI debate platform) got rejected by AdSense for "low value content," I went the opposite direction: no content treadmill, no AI features, no backend. Just genuinely useful calculators. studandslab.com — 10 free calculators for woodworking and home projects (board feet, stair stringers, concrete, drywall). Everything runs client-side, so hosting is free and every visitor costs me $0.
