Explore Programming Courses
Browse 157+ coding courses with AI tutoring and real-time code execution.
Next.js 15 Fullstack Web Apps
TYPESCRIPTMaster building high-performance, fullstack web applications with Next.js 15, from foundational concepts to advanced de…
Elixir & Phoenix: Scalable Backend Development
ELIXIRMaster Elixir and Phoenix to build robust, scalable, and fault-tolerant backend applications with functional programmin…
Real-Time Streaming Systems (WebRTC + Live Data)
Master the fundamentals and advanced techniques of building real-time streaming systems using WebRTC and various live d…
Blockchain Smart Contracts with Solidity
Master the art of building secure and efficient decentralized applications by learning Blockchain Smart Contracts with…
AI Powered SaaS: Stripe + Auth + Billing + Deploy
Master the end-to-end development of an AI-powered SaaS application, integrating secure authentication, robust Stripe b…
Next.js 15 Fullstack (App Router + Server Actions)
TYPESCRIPTMaster fullstack web development with Next.js 15, leveraging the App Router and Server Actions to build high-performanc…
WebAssembly (WASM) for High Performance Apps
Master WebAssembly (WASM) to build lightning-fast, high-performance web and server-side applications, leveraging its ne…
Edge Computing with Cloudflare Workers & Deno
Master the fundamentals and advanced techniques of edge computing by building highly performant applications with Cloud…
Load Testing & Performance Benchmarking (JMeter & k6)
Master the art of load testing and performance benchmarking using industry-leading tools like Apache JMeter and k6 to b…
Serverless Backend with AWS Lambda & API Gateway
Master serverless backend development using AWS Lambda and API Gateway to build scalable, cost-effective applications.
Caching Strategies: Redis + CDN + Edge Computing
Master robust caching strategies using Redis, CDNs, and Edge Computing to build high-performance, scalable, and resilie…
WebSockets & Real-Time Systems with Spring
Master WebSockets and build scalable real-time applications using the Spring Framework to create dynamic, interactive u…
Secure Coding & OWASP Top 10 for Backend
Master secure coding practices and defend your backend applications against the most critical web vulnerabilities ident…
API Rate Limiting & Scalability Patterns
Master the art of building robust and high-performance APIs by learning advanced rate limiting techniques and essential…
Elasticsearch & Full Text Search Systems
Master Elasticsearch and full-text search systems to build powerful, scalable search capabilities for your applications.
OAuth2 & OpenID Connect Deep Dive
Master modern authentication and authorization by diving deep into OAuth2 and OpenID Connect protocols, securing your a…
API Gateway & Reverse Proxy (Nginx + Spring Cloud Gateway)
Master the architecture and implementation of API Gateways and Reverse Proxies using Nginx and Spring Cloud Gateway for…
Advanced Spring Boot 4: Event-Driven Architecture (Kafka)
Master advanced Spring Boot 4 techniques to build robust, scalable event-driven microservices using Apache Kafka.
Testing Mastery: JUnit, Mockito & Integration Tests
Master software testing techniques with JUnit, Mockito, and advanced integration test strategies to build robust and re…
GraphQL APIs with Spring Boot
Master building robust and efficient GraphQL APIs using Spring Boot, from foundational concepts to advanced real-time a…
Frequently Asked Questions
How many courses does CoddyKit offer?
CoddyKit offers 157+ interactive programming courses across many languages and technologies, ranging from complete-beginner introductions to advanced material.
Are the courses free?
Yes. Every course is free to start, and you can complete its interactive lessons at no cost. An optional PRO subscription unlocks advanced AI tools and shareable certificates.
Which programming languages can I learn?
Courses cover Python, JavaScript, TypeScript, Swift, Java, C#, SQL, web development, and modern topics such as AI agents and prompt engineering.
Do I need prior experience to start?
No. Courses range from beginner to advanced, with bite-sized lessons, real-time code execution, and a 24/7 AI tutor, so you can start with no prior experience.
Can I take the courses on mobile?
Yes. CoddyKit runs on the web and as native iOS and Android apps, and your progress syncs across devices.