Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

LearnQuest
Skills you'll gain: Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Programming, Java Platform Enterprise Edition (J2EE), Application Development, Program Development, Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ideation, Market Analysis, Feasibility Studies, Performance Testing, Customer Insights, Good Manufacturing Practices, Supply Management, Value Engineering, Process Optimization, Quality Control
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Management Training And Development, Constructive Feedback, Gap Analysis, Employee Performance Management, Professional Development, Performance Management, People Management, Drive Engagement, Employee Engagement, Problem Solving, Leadership and Management, Expectation Management, Empowerment, Accountability, Active Listening, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Histogram, Plot (Graphics), Data Visualization, Seaborn, Scatter Plots, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Statistical Visualization, Exploratory Data Analysis, Graphing, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Cloud Engineering, Cloud-Native Computing, Software Engineering, Cloud Development, Distributed Computing, Cloud Storage, Engineering Software, Extract, Transform, Load, Google Cloud Platform, Software Engineering Tools, Big Data, Software Development, Cloud Computing, Serverless Computing, Data Infrastructure, Cloud Technologies, Cloud Services, Cloud Solutions, Data Pipelines, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Quality (SQA/SQC), Software Documentation, Functional Testing, Software Testing, Software Development Methodologies, Acceptance Testing, Test Case, Maintainability, Test Planning, Unit Testing, Software Design, Technical Documentation, Waterfall Methodology, Agile Methodology
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Python Programming, Programming Principles, Code Reusability, Object Oriented Design, File Management, Data Structures, Computer Programming, Algorithms, Data Storage, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Statistical Reporting, Data Cleansing, Data Wrangling, Microsoft Excel, Data Analysis Software, Data Manipulation, Data Preprocessing, Data Quality, Excel Formulas
Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Reporting, Inventory Accounting, Financial Statement Analysis, Depreciation, Cash Control, Financial Statements, Financial Accounting, Fixed Asset, Balance Sheet, Generally Accepted Accounting Principles (GAAP), Accounting, Cost Accounting, Inventory Control Systems, Accounts Receivable, Internal Controls, Capital Expenditure, Equities, Inventory Management System, Investments
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Software Development Tools, Data Structures, Programming Principles, Code Reusability, Program Development
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Plot (Graphics), Graphing, Numerical Analysis, Python Programming, Mathematical Software, Software Visualization, Algebra, Derivatives, Computer Programming
Intermediate · Course · 1 - 3 Months