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: Kubernetes, Docker (Software), Network Troubleshooting, Containerization, CI/CD, Application Deployment, YAML, Scalability, Cloud Computing Architecture, Network Administration, Role-Based Access Control (RBAC), System Monitoring
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Marketing Analytics, Probability & Statistics, Statistical Methods, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Marketing Effectiveness, Statistical Hypothesis Testing, Customer Insights, Customer Analysis, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Marketing Strategies, Exploratory Data Analysis, Statistical Visualization, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Web Development Tools, Debugging, Javascript, Integrated Development Environments, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, DevOps, Application Deployment, Devops Tools, Continuous Delivery, Spring Framework, Software Configuration Management, Build Tools, Version Control
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Database Management, Operational Databases, Multi-Tenant Cloud Environments, Database Software, Data Migration, Data Storage Technologies, Software Installation, Performance Tuning, User Accounts, System Configuration, SQL, Disaster Recovery, Development Environment
Intermediate · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Machine Learning Algorithms, Artificial Intelligence, Computational Logic, Agentic systems, Machine Learning, Natural Language Processing, Business Strategy, Decision Tree Learning, Artificial Neural Networks, Strategic Decision-Making, Algorithms, Bayesian Network, Complex Problem Solving, Probability & Statistics
Build toward a degree
Mixed · Course · 3 - 6 Months

Skillshare
Skills you'll gain: Adobe After Effects, Animations, Video Production, Post-Production, Video Editing, Motion Graphics, Storyboarding, Ideation, File Management, Content Creation, Timelines, Graphics Software, Creativity, Color Matching
Beginner · Specialization · 3 - 6 Months

Epic Games
Skills you'll gain: Game Design, Video Game Development, Prototyping, Unreal Engine, System Design and Implementation, Creativity, User Interface (UI), Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Unix Shell, File Management, File Systems, Unix Commands, Operating Systems, Command-Line Interface, OS Process Management, System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Content Accessibility Guidelines, Video Production, Educational Materials, Instructional Design, Disabilities, Learning Strategies, User Centered Design, Technical Documentation, Microsoft Office, Law, Regulation, and Compliance
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Analysis, Analytics, Statistical Analysis, Data Mining, Spreadsheet Software, Exploratory Data Analysis, Descriptive Analytics, Quantitative Research, Data Cleansing, Data Processing, Data Collection, Statistics, R (Software), Predictive Analytics, Query Languages, Data Visualization, Data Visualization Software, SQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, LLM Application, Development Environment, Multimodal Prompts, Tool Calling, Generative AI Agents, User Interface (UI), Generative AI, Human Computer Interaction, Prompt Engineering, Data Visualization, Semantic Web, Software Development Tools, Interactive Data Visualization, Image Analysis, Application Development, Augmented Reality, Artificial Intelligence, Text Mining, Graph Theory
Intermediate · Specialization · 3 - 6 Months