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: C++ (Programming Language), C and C++, Application Development, Program Development, Computer Programming, Programming Principles, Code Reusability, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Design, Database Management, Query Languages, Database Management Systems, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Infrastructure, Data Storage, Database Administration, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Data Persistence, Metadata Management
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Data Visualization, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Code Reusability, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Theoretical Computer Science, System Requirements, Functional Specification, Agentic systems, Requirements Analysis, Systems Analysis, Verification And Validation, Mathematical Modeling, Control Systems, Linear Algebra, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Snowflake Schema, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Model Training, MLOps (Machine Learning Operations), Machine Learning, Predictive Modeling, Data Pipelines, Data Transformation, Data Science, Python Programming, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LLM Application, AI Workflows, Embeddings, AI Integrations, Large Language Modeling, Graph Theory, Query Languages, Interactive Data Visualization, Data Processing, Development Environment
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Web Development, UI Components, Hypertext Markup Language (HTML), Typography, Design Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Command-Line Interface, Data Pipelines, Java, Java Programming, Enterprise Application Management, Real Time Data, Unix Commands, Data Integration, Distributed Computing, Performance Tuning, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Cleansing, SQL, Data Quality, Data Transformation, Big Data, Metadata Management, Query Languages, Data Access, Google Cloud Platform, Data Analysis, Google Analytics
Beginner · Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Control Systems, Machine Controls, Three-Phase, Power Electronics, Electronic Systems, Simulation and Simulation Software, Electrical Engineering, Automation Engineering, Simulations, Mathematical Modeling, Electrical Power, Engineering Analysis, Matlab, Performance Tuning, Performance Testing
Beginner · Course · 1 - 4 Weeks