The full gallery
Tech stack
60 projects
Generate safety documentation and customizable hazard analyses for physical systems.
@mokka_abhi · X
Building the safety evidence layer for physical AI so robots, cars, and drones can actually ship.
Calculator for Obsessed Trace game data and calculations
Obsessed Trace Calculator — Stream 游戏 Obsessed Trace 工具网站
Model your equity, taxes, and net worth with free calculators and paid scenario planning.
charleswcho · HN
Continuum – Financial simulations for DIY multimillionaires
Physics simulation and material infrastructure for engineering AI agents.
white_tiger · HN
Physicsbase.ai Validated Physics for AI
Restore damaged photos and colorize black & white images using 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
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。
Use fast calculators and browser-local utilities for AI costs, local hardware, automation, website planning, and everyday decisions.
@Erko95261453 · X
Interactive calculators to optimize Slay the Spire 2 combat and strategy planning.
Slay the Spire Calculator — Stream 游戏 Slay the Spire 2 工具网站
Compare LLM API pricing across 450+ routes and calculate real monthly costs with caching and batch pricing factors.
u/Greywolff06 · Reddit
I built LLMPrice — a free calculator for comparing LLM API costs across 450+ pricing routes I kept running into the same problem when comparing LLM APIs: the headline token price doesn't always tell you what your actual workload will cost. Caching, batch pricing, reasoning tokens, retries, different endpoints, and OpenRouter routes can change the result quite a bit. So I built LLMPrice.com. You enter your workload once — requests, input/output tokens, caching, retries, etc. — and it com
Daily logic puzzle where you deduce codes in 8 guesses with feedback, playable solo or in online multiplayer.
Dinjure · HN
Dinjure – Bulls and Cows in one HTML file, with a fallible AI
Calculate costs across 230+ AI model APIs and simulate budget impacts.
ahmed_hassan7 · HN
CostPerPrompt – Live AI API pricing and real-workload cost calculators
Enter your mechanic quote details to analyze pricing fairness.
@Himansh42661941 · X
I built QuoteShield — an early MVP for people who don’t know if their mechanic quote is fair. It gives: ✅ estimated fair price range ✅ red flags ✅ missing details ✅ questions to ask before paying Still testing the idea. Try it here:
