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.

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
★ 3.7 (15) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
★ 4.4 (68) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems, Business Process Automation, Memory Management, Tool Calling
★ 4.7 (340) · Beginner · Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Image Analysis, Matlab, Computer Vision, File I/O, Automation, Anomaly Detection, Engineering Practices, Data Preprocessing, File Management, Data Store
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, C# (Programming Language), Cloud Storage, Cloud Development, Cloud Applications, Distributed Computing, Communication Systems, Event-Driven Programming, Communication, Real Time Data, Data Management
★ 4.6 (39) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Systems Security, Risk Management, Security Management, Continuous Monitoring, Information Assurance, Law, Regulation, and Compliance, Cyber Governance, Governance, Regulation and Legal Compliance, Cybersecurity, Security Controls, Security Strategy, Risk Mitigation, Information Privacy, Cyber Security Policies, Risk Management Framework, ISO/IEC 27001, Risk Control, Threat Modeling, Information Systems
★ 4.6 (65) · Advanced · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Market Research, Greeting Customers, Outbound Calls, Cold Calling, Telephone Skills, Business Communication, Hotel Operations, Travel Arrangements, Language Learning, Hospitality, Business Correspondence, Oral Expression, Negotiation, Language Competency, Business Ethics, Showrooms, Sales Presentation, Events and Conferences, Business Writing, Verbal Communication Skills
★ 4.8 (63) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, Docker (Software), Microsoft Azure, Continuous Deployment, Cloud Computing, Machine Learning Software, GitHub
★ 3.8 (69) · Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Relational Databases, SQL, Database Management Systems, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Software Development Tools, Change Control
★ 4.6 (124) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
★ 4.7 (69) · Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Consolidation, Microsoft Excel, Data Wrangling, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Data Compilation, Data Processing, Data Validation, Automation, Query Languages, File Management
★ 4.7 (96) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Numerical Analysis, Differential Equations, Mathematical Software, Matlab, Calculus, Linear Algebra, Applied Mathematics, Mathematical Theory & Analysis, Integral Calculus, Experimentation, Algorithms, Derivatives
★ 4.5 (110) · Intermediate · Course · 1 - 3 Months