
FinExplained: 97 Free Money Calculators, No Signup
Access 97 free financial calculators for mortgages, retirement, taxes, and debt.
@finexplainedhq · X
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Access 97 free financial calculators for mortgages, retirement, taxes, and debt.
@finexplainedhq · X

Spot the odd shade in daily color puzzles, no login needed.
@EthanGinsberg · X
building and marketing

Scores AI-generated ad creative and returns verdicts (run/fix/kill) via MCP and REST API.
ds246 · HN
Spendict – a performance marketer's verdict for AI agents, over MCP

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Collect and trade one-of-one digital characters with unique personalities and voices on blockchain.
@cuffunn · X

Get free tarot card readings with instant interpretations for love, career, and spiritual guidance.
@Aaron_1337 · X
I built this a year ago, just as a fun experiment, and posted it on my portfolio. It was getting a lot of monthly traffic so I built it as a stand alone app and monetized it. Slowly but surely it’s growing :) Mobile app launches soon too.

Play quick brain games, puzzles, and arcade challenges on a casual gaming platform.
@taloggHQ · X

Change one letter at a time to reach the target word in this free, no-login word puzzle.
poople game — 字母拼字游戏,逐个添加字母直到拼出目标单词

Create and host live AI-powered quizzes with real-time audience engagement and instant question generation.
EZQuiz — AI 智能实时测验,让你快速创建、分享并与观众通过实时互动测验进行互动

Access 470+ financial calculators for mortgages, taxes, retirement, and more with instant results in 40+ currencies.
@AfridiMunir · X

Throw virtual jiao cups in 3D to get your divination result.
Demo1024 · V2EX
重看《周处除三害》后,我做了个 3D 掷筊小网站 大家好,我最近重看了一遍《周处除三害》。 然后看到电影里陈桂林在关圣帝君面前连续掷出九次圣杯,随后决定自首。筊杯一次次被抛起,他也在一次次落定的结果面前挣扎,直到不得不作出选择的时候,我突然也想试试掷筊,就是去掷几下玩一下。 结果我搜了半天,发现基本上类似的在线掷筊工具都做的挺拉胯的。基本都是点一下,然后给你个随机的结果,没有过程,没有仪式感。然后我就觉得不如我自己做一个。 所以就和 Codex 协作做出了当前这个版本的 3D 掷筊小网站: https://asklaoye.com/zh-Hans 名字叫「问老爷·掷筊问事」,取名源于潮汕地区,一般把这种请示神明的过程称之为问老爷。 和现在能搜到的那些在线掷筊工具相比,问老爷里的两枚筊杯会经过实际的 3D 物理运动:向上抛起、碰撞、落地,最后根据两枚筊杯停稳后的朝向,判断是圣杯、笑杯还是阴杯。由于我限制了投掷范围为网页全局视口,所以也会出现卡边之类的特殊情况,这个时候就会显示未定结果。 然后网站里面的筊杯的 3D 模型,还是我专门充值了 70

Play nested Tetris where each pixel is another complete Tetris game.
farcaster · HN
On this page there are two complete recreations of the original Gameboy Tetris game based on the commented assembly code. On the top level there is a C version that compiles to WASM but on every pixel of that version there is a GLSL shader also implementing the complete original code with a AI player making virtual inputs! Everything was planned by me and coded by Claude Fable. Brazilian tileset generated by Gemini so I'm not technically using any copyrighted assets. Link to repo: https://github.com/ThiagoLira/Fractetris/tree/main