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60 projects
Calculate how much meetings and work projects actually cost your company per day.
@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.
Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X
Free calculators for DIY home projects like woodworking, decks, concrete, and drywall.
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.
Multi-model API that verifies AI outputs for accuracy before deployment.
kostaj · Product Hunt
Lenz Independent, multi-model fact-checking API for AI workflows
Compute arbitrary digits of pi in your browser and locate your birthday within them.
loveleyla2013 · V2EX
在线求 π 任意位的小工具，可以查到你的生日在 π 的多少位 ## 网页： https://roy2100.github.io/pi-calculator - 纯本地计算，用的 GMP 的 wasm 版本 - 如果你在网站上计算 PI 的 10000 位，理论上可以找到你的 4 位数生日 - 如果你在网站上计算 PI 的 1,000,000 位，理论上可以找到你的 6 位数生日 - 有兴趣的可以试试，还可以测试你的 CPU 单核性能 <img src="https://i.imgur.com/O9fTtni.jpeg" hight="200"></img>
Convert cabinet dimensions into production-ready cut lists and material takeoffs.
@BradleyBeachMO · X
CabinetCalc converts finished cabinet sizes into production-ready cut lists instantly.
Calculate crop values and profit with mutations in Roblox Grow a Garden.
种植花园计算器 — 使用“种植花园价值计算器”来规划您的 Roblox 作物，应用金色和彩虹等突变，并在每次收获时增加您的 Sheckles。
Analyze and underwrite hotel investments with automated financial models and sensitivity analysis.
u/Additional-Study2600 · Reddit
Yaay!!! I finally got some subscribers to my platform after 6 weeks… any growth tips? Hey yall I’m super excited because after months of vibe coding and sleepless nights learning about repos, PRs, branches and commits to main lol I finally have a product I’m proud of and my first real revenue! The platform is called Underwrote.AI. it’s B2B and it’s somewhat niche… it’s underwriting software for hotel acquisitions (think institutional-grade Excel models, generated from a guided workflow). O
Estimate GPU memory, latency, TTFT, TPOT, and throughput for LLM inference.
popopanda · HN
LLM Inference Calculator – Estimate VRAM, Latency, and Throughput
Analyze crypto markets using algorithmic analysis and on-chain intelligence for trading insights.
@luxquantcrypto · X
Use fast calculators and browser-local utilities for AI costs, local hardware, automation, website planning, and everyday decisions.
@Erko95261453 · X
Use free calculators for construction, 3D printing, materials, and development tasks.
@rabeekit · X
🚀 Just launched RabeeKit! Free online calculators & generators: 🧱 Construction 🖨️ 3D Printing 👶 Name Generator 📄 Fake Data 🎨 Paint Calculator Fast. Free. No signup. 🌐 Feedback is welcome! 🚀 #buildinpublic #indiehackers #webdev
