Explore Programming Courses

158 interactive learning paths with a 24/7 AI tutor. Every path is free to start.

158 paths · 22 languages · Web, iOS & Android

49 courses

Python Academy logo

Python Academy

Explore the versatility of Python and build diverse projects with Python Academy.PythonBeginner
Java Academy logo

Java Academy

Become proficient in Java programming and develop powerful applications with Java Academy.JavaBeginner
SQL Academy logo

SQL Academy

Manage and query databases effectively by learning SQL at SQL Academy.SQLBeginner
Kotlin Academy logo

Kotlin Academy

Advance your Kotlin skills and build modern applications with Kotlin Academy.KotlinWeb
C# Academy logo

C# Academy

Master C# programming and develop versatile software solutions with C# Academy.C#Beginner
Coding Interview Prep logo

Coding Interview PrepNew

DSA, SQL & competitive programming coding-interview prepCareer
MongoDB Academy logo

MongoDB Academy

Master document-oriented NoSQL databases with MongoDB. Learn CRUD, data modeling, aggregation pipelines, indexes, transactions, and production Atlas patterns.JavaScriptData
Pandas & NumPy Academy logo

Pandas & NumPy Academy

Go from spreadsheets to production-grade data analysis. Master NumPy arrays, Pandas DataFrames, cleaning, groupby, merging, time series, and visualization in Python.PythonAI
SQL Interview Prep logo

SQL Interview Prep

Ace your SQL technical interview — joins, window functions, CTEs, query optimization and classic interview problems.SQLData
Excel Formulas Academy logo

Excel Formulas Academy

Master Excel and Google Sheets formulas — from SUM and IF to XLOOKUP, dynamic arrays, LAMBDA, QUERY and dashboards.ExcelBeginner
R Academy logo

R Academy

Unlock the power of data analysis and statistics with R Language Academy.RBeginner
C++ Academy logo

C++ Academy

Enhance your software development skills by learning C++ at C++ Programming Academy.C++Beginner
Cyber Security Academy logo

Cyber Security Academy

Protect digital systems and data with essential skills from Cyber Security Academy.Beginner
Learn AI with Python logo

Learn AI with Python

Learn_AI_with_pythonPythonData
PHP Academy logo

PHP Academy

Develop dynamic web applications by mastering PHP programming at PHP Academy.PHPBeginner
Spring Boot 4 Complete Guide logo

Spring Boot 4 Complete Guide

Master Spring Boot 4 from foundational concepts to advanced microservices, reactive programming, and cloud deployment to build robust and scalable enterprise applications.JavaBeginner
AI SaaS Builder logo

AI SaaS Builder

Learn to design, develop, and deploy your own Artificial Intelligence-powered Software as a Service (AI SaaS) applications from concept to market.AI
Indie Hacker Mobile Apps logo

Indie Hacker Mobile Apps

Learn to ideate, build, launch, and monetize your own mobile applications as an indie hacker, leveraging modern cross-platform development techniques.Web
SaaS Architecture & Startup Engineering logo

SaaS Architecture & Startup Engineering

Master the intricacies of SaaS architecture and startup engineering, from fundamental design patterns to advanced scaling and operational strategies.Web
Neo4j Graph Database Fundamentals logo

Neo4j Graph Database Fundamentals

Master the fundamentals of Neo4j, the leading graph database, to model, query, and analyze interconnected data efficiently for advanced applications.Beginner
Firebase Auth & Realtime Database Apps logo

Firebase Auth & Realtime Database Apps

Master Firebase Authentication and Realtime Database to build scalable, secure, and dynamic web and mobile applications.Web
Supabase Backend as a Service logo

Supabase Backend as a Service

Master Supabase, the open-source Firebase alternative, to build powerful and scalable backend services for your web and mobile applications.Web
Stripe Payments & SaaS Billing Systems logo

Stripe Payments & SaaS Billing Systems

Master Stripe Payments and build robust SaaS billing systems from fundamental concepts to advanced integrations and financial reporting.Beginner
FastAPI Backend Development Bootcamp logo

FastAPI Backend Development Bootcamp

Master FastAPI to build high-performance, asynchronous web APIs, database integrations, and deploy robust backend services.Beginner
Scala for Backend Engineering & Functional Programming logo

Scala for Backend Engineering & Functional Programming

Master Scala for robust backend development and dive deep into functional programming paradigms to build scalable and maintainable applications.ScalaData
Clojure Functional Programming & JVM Backend Development logo

Clojure Functional Programming & JVM Backend Development

Master Clojure functional programming and leverage its power for robust JVM backend development.ClojureData
Elixir & Phoenix: Scalable Backend Development logo

Elixir & Phoenix: Scalable Backend Development

Master Elixir and Phoenix to build robust, scalable, and fault-tolerant backend applications with functional programming principles.ElixirWeb
Prompt Engineering & LLM Optimization for Developers logo

Prompt Engineering & LLM Optimization for Developers

Master the art of crafting effective prompts and optimizing large language models for robust, efficient, and secure developer applications.AI
Real-Time Streaming Systems (WebRTC + Live Data) logo

Real-Time Streaming Systems (WebRTC + Live Data)

Master the fundamentals and advanced techniques of building real-time streaming systems using WebRTC and various live data technologies.Web
Vector Databases: Pinecone, Weaviate & pgvector logo

Vector Databases: Pinecone, Weaviate & pgvector

Master the world of vector databases with this comprehensive course, covering Pinecone, Weaviate, and pgvector for advanced AI applications.AI
LLM Apps in Production (RAG + Vector DB + Caching) logo

LLM Apps in Production (RAG + Vector DB + Caching)

Master the art of building and deploying robust LLM applications in production, leveraging RAG, vector databases, and intelligent caching strategies for optimal performance and cost-efficiency.AI
Production Debugging & Incident Response Playbook logo

Production Debugging & Incident Response Playbook

Master the art of quickly diagnosing and resolving production issues and effectively managing incidents with a robust response playbook.Data
Load Testing & Performance Benchmarking (JMeter & k6) logo

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 build highly scalable and resilient applications.Web
Caching Strategies: Redis + CDN + Edge Computing logo

Caching Strategies: Redis + CDN + Edge Computing

Master robust caching strategies using Redis, CDNs, and Edge Computing to build high-performance, scalable, and resilient applications.Web
Elasticsearch & Full Text Search Systems logo

Elasticsearch & Full Text Search Systems

Master Elasticsearch and full-text search systems to build powerful, scalable search capabilities for your applications.Web
Advanced PostgreSQL: Indexing, Partitioning, Replication logo

Advanced PostgreSQL: Indexing, Partitioning, Replication

Master advanced PostgreSQL techniques including indexing, partitioning, and replication to build high-performance, scalable, and resilient database systems.Data
AWS for Backend Developers (EC2, S3, RDS, Lambda) logo

AWS for Backend Developers (EC2, S3, RDS, Lambda)

Master essential AWS services like EC2, S3, RDS, and Lambda to build robust, scalable, and efficient backend applications.Data
Apache Kafka & Stream Processing Fundamentals logo

Apache Kafka & Stream Processing Fundamentals

Master Apache Kafka and stream processing fundamentals to build scalable, real-time data pipelines and event-driven applications.Beginner
Advanced Spring Boot 4: Event-Driven Architecture (Kafka) logo

Advanced Spring Boot 4: Event-Driven Architecture (Kafka)

Master advanced Spring Boot 4 techniques to build robust, scalable event-driven microservices using Apache Kafka.Web
System Observability: Logging, Metrics & Tracing (ELK + OpenTelemetry) logo

System Observability: Logging, Metrics & Tracing (ELK + OpenTelemetry)

Master system observability using logging, metrics, and tracing, with practical skills in ELK Stack and OpenTelemetry for robust application monitoring.Data
Clean Architecture & Design Patterns in Practice logo

Clean Architecture & Design Patterns in Practice

Master clean architecture and essential design patterns to build robust, maintainable, and scalable software systems.Web
Redis Caching & Messaging (Pub/Sub, Streams) logo

Redis Caching & Messaging (Pub/Sub, Streams)

Master Redis for high-performance caching and real-time messaging using Pub/Sub and Streams to build scalable applications.Data
PostgreSQL Performance & Query Optimization logo

PostgreSQL Performance & Query Optimization

Master PostgreSQL performance tuning and query optimization techniques to build highly efficient and scalable database applications.SQLData
Docker & Kubernetes for Developers logo

Docker & Kubernetes for Developers

Master containerization and orchestration with Docker and Kubernetes to deploy, manage, and scale your applications efficiently.AI
Web Scraping & Bots logo

Web Scraping & Bots

Master the art of web scraping and bot development to automate tasks, gather data efficiently, and build intelligent agents.PythonAI
LangChain / RAG / Vector DBs logo

LangChain / RAG / Vector DBs

Master LangChain, Retrieval Augmented Generation (RAG), and Vector Databases to build powerful, context-aware AI applications.AI
System Design Basics for Backend Developers logo

System Design Basics for Backend Developers

Master the fundamentals and advanced concepts of system design to build robust, scalable, and high-performance backend applications.Beginner
Git & GitHub Professional Workflow logo

Git & GitHub Professional Workflow

Master professional Git and GitHub workflows to enhance team collaboration, manage code versions efficiently, and streamline your software development lifecycle.AI
Node.js Backend Development Bootcamp logo

Node.js Backend Development Bootcamp

Master Node.js to build robust and scalable backend applications with this comprehensive development bootcamp.JavaScriptBeginner
FAQ

Frequently Asked Questions

How many courses does CoddyKit offer?

CoddyKit offers 158+ 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.

Are the courses available in my language?

Yes. Course and lesson pages are available in 22 languages — English, Turkish, German, Spanish, French, Japanese, Korean, Portuguese, Russian, Chinese, Arabic, Indonesian, Italian, Polish, Thai, Danish, Finnish, Hindi, Malay, Norwegian, Dutch and Swedish — and the app translates lessons into many more languages.