R courses can help you learn data manipulation, statistical analysis, data visualization, and programming fundamentals. You can build skills in creating reproducible research, performing regression analysis, and implementing machine learning algorithms. Many courses introduce tools like RStudio and packages such as ggplot2 and dplyr, which enhance your ability to analyze datasets and present findings effectively.

Skills you'll gain: ASP.NET, Web Applications, Web Development, .NET Framework, Microservices, Single Sign-On (SSO), Performance Tuning, Web Design and Development, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Security, Security Controls, Cloud Development, Multi-Factor Authentication, Application Frameworks, Authentications, Server Side, Authorization (Computing), Role-Based Access Control (RBAC)
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptographic Protocols, Cryptography, Database Software, Security Testing, Cyber Security Assessment, Data Import/Export, Encryption, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Cybersecurity, SQL, Cyber Attacks, Command-Line Interface
★ 4.8 (21) · Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: DevOps, CI/CD, Containerization, Devops Tools, Continuous Integration, Cloud Security, Kubernetes, Software Development, Google Cloud Platform, Continuous Delivery, Application Deployment, Cloud Deployment, Cloud Services, General Networking, System Monitoring, Identity and Access Management
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Cybersecurity, Operating System Administration, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Memory Management, Data Persistence, Computer Architecture
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), File I/O, JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Computer Programming, Programming Principles, Statistical Programming, Web Development, Program Development, Scripting, Scripting Languages, Integrated Development Environments, Data Manipulation, Text Mining, Software Installation
Intermediate · Course · 3 - 6 Months

JetBrains
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LLM Application, Embeddings, OpenAI API, AI Integrations, Large Language Modeling, API Design, Agentic Workflows, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems, Python Programming, Machine Learning Methods, Docker (Software), Integrated Development Environments, Machine Learning Algorithms, Data Science
★ 4.9 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Code Reusability, Memory Management, Package and Software Management, Algorithms, Software Testing
★ 3.8 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Data Preprocessing, Demand Planning, Financial Data, Predictive Modeling, Customer Demand Planning, Data-Driven Decision-Making, Exploratory Data Analysis, R Programming, Customer Analysis, Predictive Analytics, Profit and Loss (P&L) Management, Inventory and Warehousing, Analytics, Advanced Analytics, Supply Chain Management, Data Transformation, Machine Learning, Business
★ 5 (13) · Beginner · Specialization · 1 - 3 Months

Universidad Nacional de Colombia
Skills you'll gain: File I/O, Computational Thinking, Data Management, Computer Programming, Program Development, Computational Logic, Logical Reasoning
★ 5 (17) · Intermediate · Course · 1 - 3 Months