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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Artificial Intelligence, Data Visualization, Artificial Intelligence and Machine Learning (AI/ML), NumPy, Pandas (Python Package), AI literacy, Model Evaluation, Machine Learning Methods, AI Workflows, Applied Machine Learning, Plot (Graphics), Data Preprocessing, Deep Learning, Responsible AI, Artificial Neural Networks, Data Ethics, Machine Learning Algorithms, Python Programming, AWS CloudFormation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Systems, Internet Of Things, Real Time Data, System Requirements, Software Development, Secure Coding, Cloud Computing Architecture, Systems Engineering, Cloud-Based Integration, System Design and Implementation, Back-End Web Development, System Implementation, Communication Systems, System Testing, Algorithms, Performance Testing, Systems Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Model Evaluation, NumPy, Statistical Methods, Probability & Statistics, Plot (Graphics), Dashboard, Statistics, Pandas (Python Package), Data Analysis, Database Development, Statistical Analysis, Regression Analysis, Dashboard Creation, Data Manipulation, Python Programming, Applied Machine Learning, Probability, Data Science, Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
Intermediate · Professional Certificate · 3 - 6 Months

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

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
Mixed · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Microsoft Office, Computer Networking, System Software, Computer Systems, Network Architecture, OS Process Management, Theoretical Computer Science, Computer Science, General Networking, Computer Architecture, Hardware Architecture, Network Protocols, Computer Literacy, Computing Platforms, Computational Logic, Programming Principles, Memory Management, Computer Hardware
Mixed · Course · 1 - 3 Months

Skills you'll gain: Database Development, Data Sharing, Database Architecture and Administration, Microsoft SQL Servers, Data Integration, Data Entry, Report Writing, IT Automation, User Interface (UI) Design
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Classification And Regression Tree (CART), Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Statistical Inference, Logistic Regression, Model Training, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months