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.

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design
Intermediate · Course · 1 - 3 Months

Fudan University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, Intellectual Property, Mobile Development, Cloud Deployment, User Interface (UI), Android (Operating System), C# (Programming Language), Conceptual Design, Animation and Game Design, 3D Assets, Cross Platform Development, Animations, System Design and Implementation, Computer Graphics, Visualization (Computer Graphics), Performance Tuning, Prototyping, Data Analysis Software
Beginner · Specialization · 3 - 6 Months

IBM
Skills you'll gain: COBOL (Programming Language), File I/O, IBM Cloud, Mainframe Computing, Programming Principles, Mainframe Technologies, Procedure Development, Program Development, Data Structures, Debugging, Editing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Debugging, System Programming, Scripting, Windows PowerShell, Virtualization, Computer Architecture, Excel Macros, Linux
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Environmental Monitoring, Geospatial Information and Technology, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), System Programming, Virtualization, Virtual Machines, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Software Development, Hardware Architecture, Debugging, Application Security, Microarchitecture, Computer Architecture, C (Programming Language), Digital Signal Processing, System Configuration, Application Development, Security Engineering, C++ (Programming Language), System Requirements
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, NumPy, Data Visualization, Data Analysis, Seaborn, Matplotlib, Statistical Visualization, Jupyter, Dimensionality Reduction, Data Science, Machine Learning Methods, Python Programming, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, System Testing, Integration Testing, User Acceptance Testing (UAT), Unit Testing, Secure Coding, Test Case, Requirements Analysis, Waterfall Methodology, Agile Methodology, Project Management
Intermediate · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: Application Development, Scripting, MySQL, Data Structures, Python Programming, Program Development, Database Management, Databases, Web Applications, File Management, Programming Principles
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Malware Protection, Threat Modeling, Cloud Security, Load Balancing, Security Engineering, User Accounts, Authorization (Computing), Identity and Access Management, Network Security, Information Systems Security, Cybersecurity, Encryption, Geographic Information Systems
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks