Online Coding Test

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.

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.

ExamOnline offers a secure remote proctoring solution for online examinations, featuring customizable settings, AI-based monitoring, and a secure browser. It integrates with LMS, ensuring exam integrity while reducing logistical costs for organizations.

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.

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.

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.

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.

OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.

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.

Replit is a collaborative browser-based IDE with AI-powered tools for software development, real-time multiplayer editing and deployment, templates and tutorials, and hosting and monetization options.

Topin.tech offers AI‑driven hiring tools that automate skill assessments and interview screening for corporates and colleges. It supports large‑scale testing, secure delivery, and provides colleges with gap analysis, mock interviews, and a coding IDE.

Mastercoding is a competitive coding platform that enhances programming skills through tailored challenges, live coding battles, and instant feedback. Users can track their progress with a global leaderboard and engage in skill-based competitions.

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.

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.

Kodezi autonomously scans and refines codebases, automatically detecting bugs, applying best‑practice refactors, sanitizing inputs, and generating documentation and tests. It supports JavaScript, TypeScript, Python, Java, and integrates with CI pipelines for continuous quality enforcement.

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

CodeAmigo is an AI-powered coding assistant that offers interactive tutorials in Python and JavaScript. It provides real-time feedback, allows progress tracking, and supports a hands-on approach to learning for both beginners and advanced users.

Jam is an AI-powered debugging assistant that streamlines the debugging process through automated source code analysis and code fix suggestions while ensuring privacy and security. It integrates with a Chrome extension for bug reporting workflow.

Hatchways assembles, sends, and tracks take-home coding assessments via Git repos with customizable templates (bug fixes, feature work, reviews, written/video), automated tests and cloud deployment, optional human review, GitHub and ATS integrations, plus analytics for iterating assessments.

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.

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.

GeekBuzz is an interactive platform that enhances coding skills through gamified learning, offering coding practice, topic-wise quizzes on data structures and algorithms, competitive coding duels, and personalized problem sets in a supportive community environment.

Qoder is an agentic coding platform that automates software development through autonomous AI agents. It enables conversation-based programming, task delegation, and provides deep codebase insights for streamlined 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.

InterviewQueue lets hiring teams create custom coding tests, using OpenAI prompts and AI analytics to reveal strengths and weaknesses. Its proctoring prevents fraud, integrates via API with ATS, and delivers objective, data‑driven evaluation for better hires.

Otto Engineer is an AI-powered coding assistant for testing and iterating code. It offers a user-friendly setup, interactive chat interface, and enables real-time code execution, debugging, and testing in a secure browser environment.

Quilgo lets educators, recruiters, and training providers create, schedule, and administer custom timed tests. It offers real‑time progress tracking, AI‑driven proctoring, and Google Forms/Google Classroom integration for secure, large‑scale examinations, and detailed performance reporting.

Lightscreen is an AI-driven interview platform for tech recruitment, featuring advanced coding assessments, real-time pair programming with a voice agent, and tools for behavior analysis and plagiarism detection to streamline candidate evaluation and enhance decision-making.

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.

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

Qodex is an automated API testing platform that streamlines test creation and execution, offering features like automated test generation, uptime monitoring, and real-time failure alerts, facilitating efficient testing in CI/CD workflows for developers and QA teams.

Ghostcoder is a discreet AI coding assistant that offers real-time coding support during technical interviews and LeetCode problem-solving, using user-supplied API keys for privacy and click-free functionality through global hotkeys.

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.

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.

Katalon is an AI-augmented test automation platform that streamlines automated testing for web, mobile, desktop, and APIs, featuring low-code scripting, seamless CI/CD integration, and on-demand execution across multiple environments for enhanced efficiency.

Skillhub: Learn Code is an educational app offering over 20 coding courses with interactive AI-led lessons, a mobile code compiler for practice, personalized assistance, and a global community for collaborative skill development in various programming languages.

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.

TestSprite automates full‑stack test generation and execution, converting source code and user flows into CI/CD‑ready suites. It offers a no‑code visual editor, continuous regression checks, and unified batch coverage for API, UI, and data testing, streamlining release reliability.

OETStudy is an AI platform designed for Duolingo English Test (DET) preparation, offering over 6000 practice questions, AI-driven practice sessions, instant feedback, and study tools to enhance exam readiness.

Leetcode Wizard is a desktop app that AI‑analyzes any Leetcode question, ranks algorithms by time complexity, auto‑generates code and edge‑case tests, offers complexity analysis, supports multiple languages, a separate web view for results while remaining invisible to proctoring software.

CodeAI turns plain‑English app concepts into editable code for frameworks like Next.js, auto‑generating components, routing, and deployment scripts. It integrates with GitHub and offers one‑click hosting on Vercel, Netlify, and Supabase, plus a template library.

Codejet converts Figma design systems into production‑ready websites with one click. It offers a library of 100+ templates, AI‑generated responsive code, an integrated visual editor, and built‑in unit‑testing scaffolding for a seamless design‑to‑deployment workflow.

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.

Testbook AI is a Chrome extension that records and replays user interactions to create regression and UI comparison tests without coding. It supports cross‑browser validation, integrates with Sauce Labs, BrowserStack, LambdaTest, exports code, and auto‑heals scripts.

CodeRabbit automates pull‑request reviews with AI, detecting bugs instantly and suggesting fixes. It integrates with Git, IDEs, and CLI, delivers diff summaries, diagrams, and a chat interface, all while preserving privacy with encryption and zero‑data retention.

testRigor is an AI‑driven, no‑code test automation platform that turns plain‑English instructions into end‑to‑end tests for web, mobile, desktop, API, and mainframe. It records real‑user interactions, supports cross‑browser validation, CI/CD integration, and self‑healing for low‑maintenance, reliabl

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.

UltraCode AI is a coding interview co-pilot that helps users prepare for technical and behavioral questions through audio and screen input, offering hints for problem-solving while ensuring privacy and compatibility with various coding environments.

AIChatOnline.org is a browser‑based AI assistant that processes text, images, and documents, aiding writers, researchers, and developers to draft content, refine tone, summarize reports, debug code, and browse over 50k integrated AI tools—all without installation and with session‑only privacy.

TutorOcean combines human tutors with AI, offering on‑demand tutoring, a teacher AI copilot for lesson planning, grading, and personalization, and interactive classrooms with video, whiteboard, chat, coding editor, and session recording in multiple languages.