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: Matplotlib, Seaborn, Exploratory Data Analysis, Logistic Regression, NumPy, Machine Learning Methods, Jupyter, Scikit Learn (Machine Learning Library), Data Science, Machine Learning, Machine Learning Algorithms, Python Programming
★ 4.5 (396) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Data Analysis Software, Big Data, R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Data Preprocessing, Data Processing, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
★ 3.8 (388) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Cloud Hosting, HTML and CSS, Web Development, Web Design and Development, GitHub, Web Servers, Web Presence, Web Content, Web Design, Git (Version Control System)
★ 4.5 (2K) · Beginner · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Responsible AI, A/B Testing, Design Thinking, Ideation, Generative AI, User Centered Design, Design and Product, Data Ethics, Experience Design, Innovation, User Research, Data Storytelling, Dashboard, AI literacy, Data Analysis, Artificial Intelligence, Prompt Engineering, Critical Thinking, Business Consulting, Problem Solving
★ 4.6 (297) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Dashboard Creation, Dashboard, Pivot Tables And Charts, Microsoft Excel, Data Transformation, Excel Formulas, Data Management, Data Analysis, Data Validation, Reconciliation, Problem Solving
★ 4.7 (574) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, SAS (Software), Database Management, Query Languages, Data Access, Database Management Systems, Data Presentation, Data Manipulation, Data Wrangling, Data Integration, Data Management
★ 4.9 (288) · Mixed · Course · 1 - 3 Months

IBM
Skills you'll gain: COBOL (Programming Language), Debugging, Program Development, Programming Principles, Development Testing, Software Testing, Computer Programming, Maintainability, Business Logic
★ 4.2 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
★ 4.6 (156) · Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Interviewing Skills, Business Communication, Product Support, Marketing, Customer Complaint Resolution, Customer Service, Product Marketing, Product Knowledge, Product Demonstration, New Hire Orientations, Vocabulary, Greeting Customers, Oral Expression, Recruitment, Product Promotion, Language Learning, Consumer Behaviour, Employee Onboarding, Verbal Communication Skills, Language Competency
★ 4.9 (152) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Combinatorics, Network Analysis, Algorithms, Mathematical Modeling, Traffic Flow Optimization, Program Development
★ 4.5 (1.1K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Scripting Languages, Computer Programming, Data Storage, Program Development, Computer Programming Tools, Python Programming, Development Environment, Integrated Development Environments
★ 4 (143) · Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, grep, Linux Administration, Unix Shell, Scripting, Software Development Tools, Computer Programming Tools, File Management, Build Tools, Unix, Scripting Languages, Program Development, System Programming
★ 4.6 (735) · Beginner · Course · 1 - 4 Weeks