Code Practice Exercises

Codemia is an interactive learning platform for engineers, offering 120+ system‑design challenges, 200+ visualized data‑structure problems, 20 UML‑based OOP exercises, live mock interview sessions, and AI analytics to pinpoint improvement areas.

Coddy.Tech offers free interactive coding lessons across many languages and AI prompt engineering, featuring an in‑browser editor, streak tracking, achievements, AI debugging, a community leaderboard, and certificates for LinkedIn. It runs on iOS, Android, and web.

Practice PTE AI Scorings is an AI-driven platform for PTE test takers, offering comprehensive practice for speaking and writing tasks with accurate evaluation. Access study materials, detailed score reports, and performance improvement tips.

StableCode is an innovative LLM-powered AI tool for coding assistance and learning. It enhances programmer productivity while serving as a resourceful teaching aid for beginners.

Claude Code is an AI-powered coding assistant that operates within the terminal, automating tasks like editing files, fixing bugs, executing tests, and managing git workflows. It enhances developer productivity through natural language commands and real-time support.

CasperPractice delivers an online platform for CASPer test preparation with unlimited practice questions and full‑length timed tests aligned to the 2025 format. AI evaluates responses, gives paragraph‑level feedback, quartile assessment, and stores video transcripts for review, for pre‑health studen

DET Practice is a preparation tool for the Duolingo English Test, featuring over 18,000 questions, full-length mock tests, AI-driven writing and speaking feedback, and comprehensive courses to improve essential language skills and test performance.

CodeSignal Learn offers structured paths in programming, data science, AI, and full‑stack development, featuring AI tutoring, real‑time code feedback, analytics, hands‑on projects, and interview prep across languages, supporting learners from beginners to advanced.

AI tool that automatically builds custom language workbooks in 23 languages, matching user proficiency (A1‑C2) and chosen topics. It generates varied exercises—fill‑ins, multiple choice, translation, emoji vocab, and more—exported as printable PDFs for offline or online use.

ReadTheory offers adaptive reading comprehension exercises for K‑12 and ESL learners, with instant grading and teacher dashboards that deliver real‑time performance data, classroom competitions, and ready‑made resources for lesson planning.

Boxy is an AI coding assistant that enhances the coding experience, speeds up machine performance, provides useful features like code reviews, sandboxes and optimization, and helps bring ideas to code faster.

GitHub Copilot is an AI pair programmer that uses the OpenAI Codex to suggest code and entire functions in real-time.

CodeAssist is an AI-powered IntelliJ IDE plugin that generates code and answers programming-related questions.

LabEx delivers free, interactive labs for Linux, DevOps, and cybersecurity, organized into skill‑tree pathways. AI assistant Labby aids debugging, while online terminals and real‑world projects cover Docker, Kubernetes, Python, Java, Ansible, and more.

The CodeGPT IntelliJ IDE Plugin is an AI-driven coding tool that offers text completion, chat functionality, custom prompts and code actions, reviewing past conversations, restoring previous sessions, and privacy settings.

Blackbox AI is an AI-powered tool for developers that searches and autocompletes code snippets across multiple programming languages and repositories, extracts code from videos and PDFs, and converts queries into code.

CodeAid is a coding assessment platform offering various challenges and automated grading. It allows organizations to customize tests, ensures data privacy, and provides detailed analytics to support informed hiring decisions and skills development.

OpenAI Codex CLI is a terminal-based, open-source coding agent that uses natural language to automate development tasks like code generation, testing, refactoring, and codebase understanding, with secure sandboxed execution and Git integration.

TOEFL Practice offers over 50 realistic practice tests covering all exam sections. Users receive immediate AI feedback on writing and speaking, track progress through analytics, and enhance vocabulary and fluency for improved TOEFL performance.

Mock Exam AI allows students, teachers, and exam preparers to create and take practice exams for SSC GD 2026, GED113, NATA, Year 8 math, and Spanish language tests. It offers multiple question types with instant feedback.

Trae is an AI‑assisted coding extension for VSCode and JetBrains IDEs that offers real‑time code completion, comment‑to‑code generation, automated unit test creation, bug fixing, code explanations, documentation, and context‑aware Q&A across 100+ languages.

Revision Dojo is an exam preparation tool for International Baccalaureate students, featuring expert textbooks, a question bank, instant AI grading, and interactive learning modes like flashcards and quizzes, along with personalized support from its AI study partner, Jojo.

CodePal is an AI chat assistant delivering instant code suggestions, snippets, and project templates for developers. It covers tasks like web page recreation, password generation, GPT‑2 fine‑tuning, and ESP32 control. It integrates with workflows, highlights community projects, and provides a newsle

Interview Monkey is an AI tool that helps candidates prepare for technical software engineering interviews through real-time problem-solving for coding, system design, and object-oriented programming, featuring access to over 500 LeetCode questions and support for ten programming languages.

Use of English AI offers unlimited Cambridge English practice across B1‑C2 levels, generating exercises from 15,000+ official items. It delivers detailed feedback, instant scoring, tailored improvement tips, and teacher‑friendly content.

PseudoEditor is a web‑based pseudocode IDE with syntax highlighting, error detection, auto‑completion, and instant compilation. Cloud‑stored projects are accessible from any device. It supports AQA, OCR, CIE, Edexcel, and IB specifications, helping students and teachers practice algorithms.

Augment Code is an AI coding assistant designed for professional engineers working with large codebases, offering real-time, context-aware suggestions and maintaining coding style consistency. It integrates seamlessly with popular IDEs like VSCode and JetBrains while ensuring compliance with SOC 2 T

Codiga is a static code analysis platform that detects real‑time violations and security issues across multiple languages. It offers OWASP, MITRE, and SANS‑CWE rule libraries, a custom rule editor, IDE integration, automated PR reviews, auto‑fix, and a metrics dashboard.

Penseum is an AI study partner that creates custom study guides, flashcards, and practice questions from your materials. It offers AI tutoring, study roadmaps, and community support for effective learning.

Codeconvert AI is an AI-powered tool that automates code conversion across over 25 programming languages, eliminating the need for manual conversion. It supports a wide range of programming languages and is user-friendly.

pgrammer offers AI‑driven coding interview practice with adaptive question selection across 20+ languages, real‑time hints, difficulty tailored to experience, session saving, and GPT‑4‑powered senior engineer analysis for detailed feedback, ideal for FAANG interview prep.

Cratecode offers project‑based programming courses with non‑linear pathways and measurable milestones. An AI assistant reviews code, flags errors, and provides detailed explanations and step‑by‑step guidance, supporting beginners, students, and hobbyists.

CaseStudyPrep AI delivers structured interview practice with real‑time coaching, offering mock consulting case sessions and AI‑generated performance reports. Users can reset or replay sessions, and the platform supports individuals, universities, and enterprises with unlimited case libraries and tea

Interview Coder is an AI tool designed for technical interview preparation, providing real-time coding solutions, debugging support, and performance optimization. It enhances user experience with easy navigation and detailed guidance, aiding both novice and experienced programmers.

Topworksheets is an AI-powered tool that helps teachers create digital interactive worksheets and exercises for their students, saving time and enabling progress tracking.

CodeStack AI is an interactive learning platform for coding practice. With instant feedback and AI assistance, it improves problem-solving abilities, benefiting programmers and developers seeking skill enhancement.

Cognito is a structured revision platform for KS3, GCSE, and A‑level students, offering video lessons, written notes, interactive quizzes, customizable flashcards, and exam‑style questions, accessible to individuals, schools, and teachers.

StudyX is an AI‑powered platform that converts lecture recordings, PDFs, and videos into organized notes, generates spaced‑repetition flashcards, creates custom quizzes from uploaded content, and supports text, image, PDF, and YouTube inputs across web, Discord, and a browser extension.

Examify AI creates personalized past-paper style questions and mark schemes for exam preparation. It features instant grading, expert feedback, and tailored revision guides, helping users identify strengths and weaknesses while building confidence for assessments.

AI‑driven tool offers the full set of 100 U.S. naturalization practice questions. Users can take 10‑question simulations, receive instant GPT‑based scoring and feedback, track progress, and practice in multiple languages.

Learn Copywriting is an interactive platform for improving copywriting skills through daily writing tasks, real-time feedback, and a structured environment. Users can track progress, store submissions in a portfolio, and draw inspiration from industry insights.

Interview.study offers AI‑generated practice questions for top companies, a cover‑letter creator, and resume feedback. Users customize prompts, receive detailed analysis, and track progress with streaks, badges, and a leaderboard, sharpening interview skills.

AI Studio converts natural‑language prompts into working code across C++, Python, JavaScript, SQL, CSS, HTML, and regex. It translates snippets, adds typing hints, estimates complexity, offers git/command lookup, and provides plain‑English explanations, supporting collaboration and quick prototyping

Praktika is an AI‑powered language learning platform that delivers native‑language instruction, personalized study plans, and real‑time feedback on pronunciation and grammar. It adapts exercises to user goals, tracks progress, and supports free‑form conversations in a judgment‑free environment.

JetCode is an AI-powered tool that converts system requirements into executable code instantly, streamlining software development. It enhances productivity, reduces debugging, and supports various platforms with step-by-step implementation guides for efficient project execution.

StudentAI consolidates academic tools: auto‑generates practice tests, quizzes from PDFs, drafts papers with citations, summarizes documents, converts YouTube lectures to timestamped notes, offers mock interviews, APA referencing, 24/7 AI tutors across subjects, study planning, flashcards, and group

AI IELTS Writing Checker evaluates essays on grammar, vocabulary, cohesion, and task response, offering instant feedback and revision guidance. It also includes Speaking, Listening, and Reading simulators, plus an essay bank for ideas and progress tracking.

AI Homework Helper lets students upload documents, notes, and webpages to chat with the AI, generate quizzes, flashcards, and concise notes, convert lectures into podcasts, transcribe sessions, and solve problems via a Chrome extension across many subjects.

Course Hero provides AI-enhanced homework aid featuring expert solutions, comprehensive study resources, and in-depth step-by-step explanations. Its one-click tutor assistance and enriched learning materials boost academic performance.

iPrep.Ai offers structured mock interviews for technical and behavioral scenarios, featuring real‑time coding challenges, instant code feedback, session recordings, detailed analytics, and personalized improvement plans for software developers at all skill levels.