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.

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, DevOps, YAML, Linux, Encryption, Security Controls, System Configuration
★ 3.2 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Plot (Graphics), Exploratory Data Analysis, Text Mining, Model Evaluation, Model Training, Classification Algorithms, Applied Machine Learning, Data Cleansing, Scikit Learn (Machine Learning Library), Statistical Machine Learning, Data Preprocessing, Natural Language Processing, Predictive Modeling, Machine Learning, Unstructured Data, Data Analysis, Machine Learning Algorithms, Python Programming, Computer Science
★ 4.5 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Tidyverse (R Package), Data Processing, Data Cleansing, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Relational Databases, Database Management Systems, Database Architecture and Administration, Database Management, Multi-Tenant Cloud Environments, Database Software, Software Installation, Query Languages, System Configuration, SQL, Virtual Environment, Infrastructure Security, Data Storage, Virtual Machines, Software Documentation
★ 4.6 (10) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Data Analysis, Maintainability, Network Protocols, Application Development, Authentications
★ 3.7 (28) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Secure Coding, Middleware, Event-Driven Programming, Databases
★ 4.6 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Software Versioning, Computer Programming Tools, Program Development, Integrated Development Environments, Application Development, Computer Programming, Microsoft Development Tools, Development Environment, UI Components, User Interface (UI), Programming Principles, Event-Driven Programming, Computational Logic
Beginner · Course · 1 - 3 Months

UiPath
Skills you'll gain: Prompt Engineering, Agentic Workflows, Prompt Patterns, Agentic systems, Business Process Automation, Prompt Engineering Tools, Automation, Robotic Process Automation, Generative AI Agents, LLM Application, Responsible AI, AI Workflows, Decision Intelligence, Large Language Modeling, Artificial Intelligence, AI Security, Data Ethics
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Data Integration, Data Wrangling, Python Programming, Data Transformation
★ 4.8 (20) · Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Relational Databases, Database Application, Database Management, Database Development, SQL, Databases, Database Systems, MySQL, Database Management Systems, Database Software, Database Design, Transaction Processing, Stored Procedure, Data Access, Application Development, Java, Data Integrity, Performance Tuning
★ 4.7 (60) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI), Maintainability
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks