A Collection of application ideas which can be used to improve your coding skills.
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A Collection of application ideas which can be used to improve your coding skills.
120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.
Some basic javascript coding challenges and interview questions
Open-source Python challenge courses — your AI coding agent teaches, verify.py decides when you're done.
Claude Code guide in three levels, Beginner to Advanced: hands-on lessons with checked exercises, every volatile fact cited to its source. Independent community guide.
A series of ReactJS coding challenges with a variety of difficulties.
Learn to code securely while having fun through our popular open source in-editor experience, designed for developers, students, and anyone curious about security. Get started for free in under 2 minutes, playing right from your browser.
Desafios para aprimorar habilidades de programação com foco em backend.
LeetCode for PyTorch — 65 ML/AI interview problems from real interviews at Google, Meta, Anthropic. Jupyter notebooks, an auto-grader, and an MCP AI tutor.
Interactive Go Interview Platform - 30+ coding challenges with instant feedback, AI interview simulation, competitive leaderboards, and automated testing. From beginner to advanced levels with real-world scenarios.
A collection of daily coding challenges designed to help you master idiomatic Go through deliberate, repetitive practice.
🧩 Kotlin coding puzzle and solutions
This is a refactoring kata for improving your coding skills
TranslatedMiAiCoding - a companion-style programming learning desktop app. A cute programming learning desktop app powered by Electron & Vue.
A coding exercise: let's convert dirty machine learning code into clean code using a Pipeline - which is the Pipe and Filter Design Pattern applied to Machine Learning.
Quantum Computer coding exercises