
openstem — code skills that finally stick
Learn code skills with flashcards, quizzes, and AI tutoring built on memory science.
@mkappworks · X
I am building lets connect
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Learn code skills with flashcards, quizzes, and AI tutoring built on memory science.
@mkappworks · X
I am building lets connect

Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
Come study with me on

Compare git, Jujutsu, and GitButler performance on coding tasks with Claude Code and Codex agents.
videlov · HN
I was interested in answering this question so I built a benchmark comparing git, jj and gitbutler in agentic context https://vcbench.dev/ Disclaimer - I am a co-founder of GitButler

Daily coding challenges to keep developer skills sharp with AI assistance and streak tracking.
u/Administrative_Egg78 · Reddit
I built this because AI was making me a dumb&lazy engineer I noticed something sad about how I use AI. I was shipping faster, but practicing less. I could get answers quickly, but I was losing the habit of working through the fundamentals myself. So I built Unrot: short daily challenges for developers across languages, system design, architecture, data engineering, and other tracks. Game/xp and rewards system, a tiny bit competitive. No signup required to try it: https://unrot.dev

AI-powered notes app built with Codex and refined with Grok.
@Number1AIFanboy · X
I got to go to bed. More coding tomorrow. I just had a realization that I'm building cool shit, using @grok in an app that I built with Codex and refined with Grok. And now Grok just works on himself. LFG🚀 Drop me a note here: Get the app here (use LAUNCH50):

Free online IDE and code compiler supporting 15+ languages with cloud workspaces and coding interview tools.
aashhuttossh · HN
Codeground – run and share code in the browser

Describe self-correcting coding workflows in plain English and run them until tests pass.
forgeapp

Write objectives and let AI agents (Claude, Cursor, Codex) decompose and execute coding tasks.
dudemanAtl · HN
PlanWright – A control plane for AI coding agents

Learn to code and build projects through interactive games and challenges designed for the LLM era
@RahimNathwani · X
Not a direct answer but the guys at Exercism (non-profit that publishes really good and free programming language self-study courses) recently launched a separate site to teach junior programmers both vibe coding and software engineering fundamentals.

Design mobile app interfaces with AI and export to HTML, design tokens, and implementation code.
@9to5_Dad · X
Ai mobile app ui designer with taste

Notes with code blocks, Kanban bug tracker, and snippet library with GitHub import.
@SinghApurv1711 · X
Hey! Check it out here:

Convert one-sentence ideas into precise AI prompts for coding agents.
@_m3rl1n