
SystemDecoder — Understand System Behavior Through Simulation
Learn system design by simulating real-world behavior. Visualize latency, load, failures, and system flow interactively.
@Fahadh_4444 · X
This is FIGMA FOR SYSTEM DESIGNS
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Learn system design by simulating real-world behavior. Visualize latency, load, failures, and system flow interactively.
@Fahadh_4444 · X
This is FIGMA FOR SYSTEM DESIGNS

Self-learning AI platform that improves from user-verified feedback and teaching.
thomasconway01 · HN
Conw.ai – Independent local AI platform and developer API

Practice AI and system design with interactive browser labs and runnable coding challenges.
@iamsausii · X

AI tutor that creates structured courses with lessons, quizzes, and certificates on any topic.
@the_akx · X
Tried this AI course builder and someone already made a public study on "claude code loops"... lol Type literally anything, it builds a structured course with quizzes and a certificate at the end.

Run interactive science simulations and experiments to support school learning.
michelleGoGo · V2EX
一个中学生实验仿真平台, harnessLab.onrender.com,有什么缺点,顺便求个职 我将去年的 vibe coding 的项目中的 AI 模块用 deep agents 重构了,增加了支持 多租户隔离、会话历史持久化 功能。 希望大家能帮忙试用体验,并提出宝贵意见。每天有 20 credits 的免费额度。 网址: https://harnesslab.onrender.com/ ps. 最近结束个人独立开发的远程模式,打算找工作,远程或线下,主要与人多沟通。如果您有工作机会,也欢迎您链接。不胜感激。方向:AI 全栈 或 agent 应用开发 github: https://github.com/ladycui

Data Behavioral Diff — built on Replit. Update this description to reflect the app.
@NikhilTrip92740 · X
Building DeltaData for data engineers — it detects how SQL changes affect actual data behavior, catching regressions that normal code reviews/tests can miss. Would love feedback:

Turn educational YouTube videos into AI courses with lessons, quizzes, flashcards, and notes.
@adirsluk · X
Falvox 👇 It turns YouTube transcripts into personalized AI courses instead of giving users only another summary. Would love your honest rating.

Practice a real behavioral interview out loud. An AI interviewer that probes vague answers, calibrated to your target company and level, plus an honest debrief telling you where yo
@battisbog · X

Receive AI decision scores for trades based on emotion tracking and behavioral discipline analysis.
@eialgos · X
AI/ML builder here 👋 I'm building EI ALGOS, a Decision Intelligence platform that combines machine learning, behavioral analytics, options analysis, and technical evaluation to help traders make higher-quality decisions. Visit us at Happy to connect with other founders and builders.

Transform study materials into concise notes and diagrams with AI assistance.
Turbo Learn — 从文档、图片、拼音文件生成笔记的 AI 学习工具网站

Upload PDFs or notes to generate AI-powered quizzes, flashcards, and spaced repetition study sessions.
u/Gloomy_Silver_1700 · Reddit
Solo-built app just passed a bigger competitor on Google Play visibility score https://preview.redd.it/cmy3haru6veh1.png?width=1510&format=png&auto=webp&s=6c9f05bd5d22a012f123e4c4f6f26d1a7c85c5e3 Sharing this because it's a small win but it's mine. I'm the solo dev behind skillably, a study app where you upload your own notes or PDFs and it turns them into quizzes and flashcards, adapting based on what you actually get wrong. No team, no funding, built around a day job.

Free AI-powered personalized learning platform with dynamic curriculum and coding sandboxes.
new_user___1852026ab8b0f05013e6851 · Product Hunt
Adaptive AI Free AI-powered personalized learning platform