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.

University of Colorado Boulder
Skills you'll gain: Matplotlib, Object Oriented Programming (OOP), Plotly, Seaborn, Data Visualization Software, Object Oriented Design, Data Visualization, Pandas (Python Package), NumPy, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Software Documentation, Scatter Plots, Technical Documentation, Data Structures, Maintainability, Data Import/Export, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Linux Commands, Linux, Scripting, Unix Commands, DevOps, Test Script Development, Devops Tools, Scripting Languages, File Management, Unix, Command-Line Interface, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: File I/O, Code Reusability, Python Programming, Programming Principles, Data Dictionary, File Systems, Computational Logic, Command-Line Interface, Data Cleansing, Data Structures, Package and Software Management, File Management, Scripting, Data Manipulation, Logical Reasoning, Development Environment, Simulations
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: MongoDB, Data Access, Query Languages, Database Systems, Database Software, Data Collection, Database Management, NoSQL, Database Management Systems, Databases, Scripting, Scripting Languages, Python Programming, Development Environment, Back-End Web Development, Software Installation, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: AI Integrations, Cloud Deployment, Cloud Applications, Cloud Development, Cloud API, Application Deployment, API Gateway, OpenAI API, Cloud Hosting, Cloud Security, Application Programming Interface (API), Cloud Computing, Secure Coding, Serverless Computing, LLM Application, Cloud Technologies, OpenAI, Distributed Computing, Performance Tuning, Debugging
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Business Analysis Tools, Requirements Elicitation, Quality Assurance, Leadership and Management, Product Quality (QA/QC), Risk Management, Agile Product Development, Agile Software Development, Quality Control, Risk Analysis, Project Coordination, Quality Assessment, Stakeholder Analysis, Risk Management Framework, Project Planning, Stakeholder Management, Problem Solving, Communication, Critical Thinking
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
Beginner · Guided Project · Less Than 2 Hours