其他4 days ago
calculate.at — 305+ Calculators, No Signup Required
Every calculator you'll ever need for money, health, math, and everyday conversions — worked examples included, nothing to sign up for.
@calculate_at · X
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Every calculator you'll ever need for money, health, math, and everyday conversions — worked examples included, nothing to sign up for.
@calculate_at · X
RealCalculators 提供 48 个免费在线计算器，涵盖财务、健康、数学和日常需求。
@avinashraj61815 · X
i vibe coded this week
BizCalc：32+个免费商业计算器，用于计算利润率、损益平衡和自雇税费。
@BizCalcLab · X
用 CountrySafe 的AI检查目的地安全，生成个性化行程，无需注册。
@TheFallen_jay · X
built this no signup,no pay in 1 hour
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.
Tako 在 60 秒内扫描网页应用，发现泄露密钥和开放数据库等安全漏洞。
@guhanvenkaty · X
Tako's free preview is live: Paste your URL, get a security verdict on your vibe-coded app in 60s. Not an AI wrapper: it fires real requests and PROVES exposure, pulling data from your open DB with no login. Scanning puts you on the early-access waitlist.
Fast, free online calculators with no sign-up. Money, dates, cars and percentages, with the answer straight away and a breakdown of where every figure comes from.
@MyMicroTools · X
Building MyMicroTools 🧮 A growing collection of free calculators and useful tools for everyday life. 💰 Finance 📊 Math 🛠️ Everyday utilities No signup. No paywall. Just useful tools. 🌐
油气行业安全审计软件，支持离线工作、JSA分析和热工许可流程。
@jay_cobski · X
Awesome oil and gas safety audit tool -
估算Variational代币空投价值的计算器
@baofuzailushang · X
有位大兄弟制作了一个计算variational积分价值的网站，使用起来很方便： 我以市值1.5B，总积分9.3M，空投25%来计算，每分的价值是40u，1000分就是40000u 我认为这是保守估计，如果8月份variational上线了swaps和api，数据会更好看，而且以var的格局来看，空投应该不止25%,可能30%以上！
用免费计算器估算抵押贷款、汽车贷款和个人贷款的月付款——无需注册
@itskdubs_ · X
用 470+ 个免费财务计算器计算抵押贷款、税收和退休。
@AfridiMunir · X
Free, fast online calculators, converters and practical daily tools. No signup required and your saved data stays in your browser.
@SudJourney · X
Hey Nikhil, I am building everyday tools website