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.

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Data Architecture, Advanced Analytics, Data Warehousing, Data Cleansing, Text Mining, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Cucumber (Software), Behavior-Driven Development, JSON, Restful API, Application Programming Interface (API), Test Tools, Test Case, JUnit, Security Testing, Test Script Development, Test Data, Test Automation, Apache Maven, Authentications, Development Environment, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, SQL, Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Package and Software Management, Linux, Command-Line Interface, Linux Servers, Operating System Administration, Linux Commands, Unix Commands, Ubuntu, File Systems, Red Hat Enterprise Linux, OS Process Management, Bash (Scripting Language), Unix, Software Installation, Systems Administration, File Management, Service Management, Operating Systems, Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Data Import/Export, MySQL, Vulnerability Scanning, Encryption, Brute-force attacks, Vulnerability Assessments, Cybersecurity, Data Encryption Standard, SQL
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: NumPy, Scientific Visualization, Data Visualization, Jupyter, Time Series Analysis and Forecasting, Graphing, Data Structures, Python Programming, Numerical Analysis, Data Manipulation, Mathematical Software, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, AI Personalization, Data Science, Data Preprocessing, Python Programming, Development Environment
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Management, Google Cloud Platform, Cloud Computing, PostgreSQL, MySQL, Cloud Infrastructure, Proxy Servers, Database Design
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Google Cloud Platform, YAML, Cloud Deployment, Data Persistence, Containerization, Application Deployment, Configuration Management, MongoDB, Infrastructure Security, Network Security, Application Programming Interface (API), Scalability
Intermediate · Course · 1 - 3 Months

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Dimensionality Reduction, Data Science, Python Programming, Data Preprocessing, Predictive Modeling, Data Analysis, Linear Algebra, Exploratory Data Analysis, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks