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.

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Computational Logic, Machine Learning Algorithms, Classification Algorithms, Natural Language Processing, Artificial Intelligence, Agentic systems, AI literacy, Machine Learning Methods, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Decision Support Systems, Bayesian Network, Complex Problem Solving, Probability & Statistics, Algorithms
Build toward a degree
Mixed · Course · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Penetration Testing, Threat Management, Threat Detection, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Cyber Operations, Vulnerability Scanning, Cyber Attacks, Computer Security, Vulnerability Assessments, Security Strategy, Cyber Security Policies, Network Security, Network Analysis, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Responsive Web Design, User Interface and User Experience (UI/UX) Design, User Experience Design, Digital Design, Web Design, Graphic and Visual Design, User Experience, Motion Graphics, Adobe XD, Interactive Design, No-Code Development, Graphic Design, Color Matching, Layout Design, Visual Design, Graphic and Visual Design Software, Design, Graphics Software
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Agile Methodology, Agile Product Development, Agile Software Development, Product Strategy, Product Design, Market Analysis, Technical Management, Product Marketing, Product Planning, Market Research, Customer Analysis, Target Market, Commercialization, Oral Expression, Stakeholder Communications, Data Analysis Software, Portfolio Management, Verbal Communication Skills, Data-Driven Decision-Making, Decision Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Analytics, Data Warehousing, Data Integration, Extract, Transform, Load, Data Cleansing, Data Modeling, Data Import/Export, Dashboard, Data Governance, Capacity Management, Performance Tuning
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Distributed Computing, Cryptographic Protocols, Programming Principles, Emerging Technologies, Computing Platforms, Scalability, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), ASP.NET, Integration Testing, Object-Relational Mapping, API Design, Identity and Access Management, Enterprise Architecture, Distributed Computing, Authorization (Computing), Database Development, Database Management, Dependency Analysis, Data Validation, Transaction Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Applied Mathematics, Algebra, General Mathematics
Beginner · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Lending and Underwriting, Credit Risk, Underwriting, Commercial Lending, Risk Modeling, Risk Analysis, Business Risk Management, Financial Analysis, Financial Modeling, Financial Statement Analysis, Corporate Finance, Finance, Financial Forecasting, Balance Sheet, Entrepreneurial Finance, Cash Flows, Stakeholder Communications, Working Capital
Intermediate · Course · 1 - 4 Weeks