Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

Coursera
Skills you'll gain: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Presentation, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
★ 4.4 (320) · Intermediate · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Security Controls, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Configuration Management
★ 4.4 (38) · Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Linux, Package and Software Management, Shell Script, Linux Administration, Ubuntu, Linux Commands, Microsoft Windows, Unix Shell, User Accounts, Bash (Scripting Language), Command-Line Interface, Linux Servers, Systems Administration, Unix, Operating Systems, Desktop Support, Windows Servers, System Configuration, Security Management
★ 4.6 (162) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Computational Logic, Computer Science
★ 4.5 (272) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Data Processing, Perl (Programming Language), Statistical Programming, Data Structures, Data Manipulation, Data Transformation, Code Reusability, Data Storage, Data Presentation
★ 4.8 (96) · Intermediate · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
★ 4 (210) · Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Python Programming, Network Analysis, Automation
★ 4.4 (56) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, User Provisioning, OS Process Management, Bash (Scripting Language), Command-Line Interface, File Management, Unix Shell, Shell Script, Identity and Access Management, File Systems, System Monitoring, System Support, Network Administration, General Networking
★ 4.8 (109) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Package and Software Management, Jupyter, Software Installation, Python Programming, Computational Thinking, Mac OS, Programming Principles, Cross Platform Development, Software Documentation
★ 4.2 (74) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Python Programming
★ 4.6 (182) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Feasibility Studies, Systems Development, Process Modeling, Software Design Documents, Software Development Methodologies, Business Analysis, Functional Requirement, Software Design, Analysis, Business Process Modeling, Business Analysis Tools, Verbal Communication Skills, Communication, Software Development, Data Flow Diagrams (DFDs), Stakeholder Communications, Business Communication, Product Lifecycle Management, Stakeholder Engagement
★ 4.6 (53) · Beginner · Course · 1 - 4 Weeks