
Ultimate SD - AI System Design Practice
Practice system design interviews with AI-powered simulations and expert feedback.
@ShashankCode · X
Checkout here :
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Practice system design interviews with AI-powered simulations and expert feedback.
@ShashankCode · X
Checkout here :

Audit citations and verify authorship to prove the authenticity of your academic work.
@clawncore · X

Store documentation as markdown in your Git repository with no database or lock-in.
@alizreim · X
Documentation that lives in your own git repository

Free German practice online — reading, listening, writing and speaking, A1 to C1. Original exercises, marked in seconds with every mistake explained.
@rishabhnasa · X
Here’s another from my side:

Experience meditation disguised as working with a coding agent.
tom2948329494 · HN
Show HN: Pretend to Vibe Code, but Meditate

Transform learning materials into practice exercises, analysis, and study plans.
璞奇 — 将书本、B 站、得到等学习内容生成练习,帮助掌握新知,支持 App、Chrome 插件和 Agent Skill - [更多介绍](https://mp.weixin.qq.com/s/HRRpKg2oAt_toZNTpY-foA)

Generate printable Chinese character practice sheets with poetry content.
参要 AI - 诗词字帖 — 用诗词作为练字内容,又练字又温习诗词,双倍收获

Transform documents and notes into editable presentation slides and charts with AI.
dyfang · HN
TchoAI – Transform your documents into editable slide decks

Free developer tools organized as a map, featuring formatters, generators, and decoders.
@AntiaIuri · X
Just shipped DevErse 🚀 A curated directory for dev tools & AI utilities built to speed up your workflow. It's super early stage — check it out and let me know your thoughts! 👇 🔗 #buildinpublic #indiehackers #laravel #reactjs

Assess your change readiness across ten dimensions with interactive practice and feedback.
@osrn2004 · X
Check out what I just built with Lovable!

Snap a photo of any confusing paper — medical, legal, school or bank — and get it explained in plain language, in your language.
@AToluwain · X
Check out what I just built with Lovable!

Practice typing with structured lessons and drills to improve your speed.
u/Clarry_j · Reddit
Got tired of being so damn slow at writing, built an app to fix it I built this over a summer, which is a sentence I used to write about other things. I'm a physics student and a sailing instructor, I don't code, and I used an AI so I wouldn't have to learn — which, God help me, is the most honest thing I've said in this whole post. 31 sub-levels. It tracks the letters I get wrong and the specific pairs of letters I get wrong, which is more self-awareness than I've managed in a decade. Free