Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Revenue Recognition, Generally Accepted Accounting Principles (GAAP), Revenue Management, Accrual Accounting, Finance
Mixed · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Preprocessing, Data Visualization Software, Real Time Data, Node.JS, Data Analysis, Application Programming Interface (API), Web Development Tools, JSON, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, Dynamic Host Configuration Protocol (DHCP), AWS Identity and Access Management (IAM), Encryption, Network Security, System Monitoring, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Network Administration, Amazon Web Services, Network Planning And Design, Security Controls, Cloud Security, Network Infrastructure, AWS CloudFormation
Intermediate · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Strategic Communication, Strategic Planning, Business Planning, Innovation, Telehealth, Organizational Strategy, Design Thinking, Business Strategy, Health Care Administration, Stakeholder Analysis, Emerging Technologies, Agile Methodology, User Centered Design
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Web Applications, Object Oriented Programming (OOP), Application Development, Python Programming, Computer Programming, Programming Principles, Data Science, Data Analysis, Scripting, Data Structures, Debugging, Style Guides, Software Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scaled Agile Framework, Agile Methodology, Backlogs, Kanban Principles, Sprint Retrospectives, Sprint Planning, Project Management Institute (PMI) Methodology, Prioritization, Lean Methodologies, Project Management Life Cycle, Waterfall Methodology, Continuous Integration
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Capacity Management, Capacity Planning, Construction Engineering, Civil and Architectural Engineering, Facility Management, Civil Engineering, Engineering Plans And Specifications, Traffic Flow Optimization, Transportation Operations, Infrastructure Architecture, Building Codes, Environmental Engineering, Safety Standards, Forecasting
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Interactive Brokers
Skills you'll gain: Market Trend, Portfolio Risk, Technical Analysis, Risk Management, Market Data, Trend Analysis, Investment Management, Investments, Portfolio Management, Equities
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Design, Application Specific Integrated Circuits, Electronics Engineering, Engineering Design Process, Electronic Hardware, Electronics, Design, Technical Design, Semiconductors, Computer-Aided Design, Electrical and Computer Engineering, Electronic Systems, Electronic Components, Verification And Validation, Simulation and Simulation Software, Open Source Technology, Schematic Diagrams
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, System Programming, File Systems, Unix Commands, Command-Line Interface, System Monitoring, System Design and Implementation, Performance Tuning, Package and Software Management, File Management, Algorithms, Cloud Platforms, Security Controls, User Accounts, Debugging
Intermediate · Course · 1 - 3 Months