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: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Thinking, UI Components, Software Design, Code Reusability, Usability, Event-Driven Programming, Maintainability, Integrated Development Environments, Application Design, Payment Systems, Interactive Design, MySQL, Jupyter, Database Application, Development Environment, Property Management Systems, Python Programming
★ 4.4 (17) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
★ 4.7 (78) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Angular, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Cleansing, Graphing, Data Manipulation, Jupyter, Data Preprocessing, Data Presentation, Python Programming
★ 4.7 (36) · Beginner · Guided Project · Less Than 2 Hours
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, R (Software), Web Scraping, Ggplot2, Model Evaluation, Statistical Reporting, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
★ 4.7 (43) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Wrangling, JSON, Data Structures
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, Wireless Networks, Virtualization and Virtual Machines, Network Administration, Display Devices, Virtual Machines, General Networking, TCP/IP, Virtualization, Computing Platforms, Cloud Hosting, Network Support, Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Java Platform Enterprise Edition (J2EE), Maintainability, Scalability, Extensible Markup Language (XML)
★ 3.4 (8) · Intermediate · Course · 1 - 4 Weeks

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
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Preprocessing, Data Cleansing, Data Processing, Data Transformation, Data Integration, Data Import/Export, Data Mining
★ 4.8 (40) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Program Development, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Computer Science
★ 4.6 (24) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Data Access, Python Programming
★ 4.8 (29) · Beginner · Guided Project · Less Than 2 Hours