Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

Skills you'll gain: MySQL, Stored Procedure, Database Management, SQL, Transaction Processing, Databases, Database Development, JSON, Relational Databases, Query Languages, Advanced Analytics, Performance Tuning, Data Analysis
★ 4.7 (259) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Embedded Software, Electronic Hardware, Electronic Systems, Electrical and Computer Engineering, Service Level, System Configuration
★ 3.9 (98) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Object Oriented Design, Object Oriented Programming (OOP), File I/O, Encryption, Cryptographic Protocols, Data Structures, Program Development, Software Development, Data Visualization, Model Evaluation, Problem Solving, Automation, Model Training, Machine Learning Algorithms, Database Application, Python Programming, Software Installation, Code Reusability, Functional Design
★ 4.7 (105) · Beginner · Specialization · 3 - 6 Months

Akamai Technologies, Inc.
Skills you'll gain: Application Development, Scripting, Scripting Languages, MySQL, Data Structures, File I/O, Python Programming, Program Development, Databases, Web Applications, SQL, File Management, Programming Principles
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Java Programming, Java, File I/O, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Code Reusability, Data Structures, File Management
★ 4.7 (224) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Network Model, Database Design, Big Data, Graphing, Apache Spark, Network Analysis, Analytics, Data Store, Data Management, Query Languages, Computing Platforms, Scalability, Distributed Computing, Algorithms
★ 4.3 (1.3K) · Mixed · Course · 1 - 3 Months

Google Quantum AI
Skills you'll gain: Quantum computing, Emerging Technologies, Hardware Architecture, Mathematical Software, Failure Analysis, Computer Programming Tools, Simulation and Simulation Software, Theoretical Computer Science, Mathematical Modeling, Estimation, Simulations
★ 4.6 (220) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Power, Electric Power Systems, Electrical Systems, Control Systems, Electrical Substation, Electrical Equipment, Energy and Utilities, Electrical Safety, Plant Operations and Management, High Voltage, Machine Controls, Applied Mathematics, Power Electronics, Automation Engineering, Basic Electrical Systems, Electrical Engineering, Process Control, Mathematical Modeling, Matlab, Three-Phase
★ 4.5 (300) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Applications, Web Design, Front-End Web Development
★ 4.5 (554) · Beginner · Guided Project · Less Than 2 Hours

University of Toronto
Skills you'll gain: Geographic Information Systems, GIS Software, Spatial Analysis, Spatial Data Analysis, Geospatial Information and Technology, Query Languages, Data Access, Data Processing, Image Analysis, Image Quality
★ 4.9 (633) · Beginner · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, OpenAI, Artificial Intelligence, Generative AI, Development Environment, Tool Calling, AI literacy, AI Integrations, User Interface (UI), Python Programming, Large Language Modeling, Software Development Tools
★ 4.6 (230) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Computational Thinking, Data Collection, Microsoft Visual Studio, Program Development, C (Programming Language), Programming Principles, Algorithms, Microsoft Development Tools, Integrated Development Environments, Data Storage, Development Environment, Computer Programming, Mathematical Software
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks