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.

LearnKartS
Skills you'll gain: Spring Framework, Java, Spring Boot, Java Programming, Hibernate (Java), Web Development, Web Servers, Web Components, Servers, Application Deployment, Databases
★ 3.8 (13) · Intermediate · Course · 1 - 3 Months

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

Universidad Nacional de Colombia
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Time Series Analysis and Forecasting, Data Mining, Data Science, Statistical Methods, Python Programming, Data Processing, Applied Machine Learning, Computer Programming, Data Preprocessing, Exploratory Data Analysis, Mathematical Modeling, Artificial Neural Networks
★ 4.8 (35) · Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: MLOps (Machine Learning Operations), Databricks, Apache Spark, Model Evaluation, Hugging Face, Data Architecture, Recurrent Neural Networks (RNNs), LLM Application, Data Science, Data Mining, Mathematical Modeling, Scala Programming, Continuous Monitoring, Rust (Programming Language), Lean Six Sigma, Statistical Inference, Artificial Intelligence, Functional Testing, Exploratory Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Programming Principles, Python Programming, Computer Programming, Software Engineering, Simulations, Application Development
★ 3.7 (23) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Stakeholder Communications, Stakeholder Engagement, Benchmarking, Prioritization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Data Migration, Google Cloud Platform, Operational Databases, Database Administration, Virtual Private Networks (VPN), Database Management, Data Import/Export
★ 4.5 (17) · Advanced · Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Systems, Computer Engineering, System Programming, Memory Management, File Systems, Data Access, Cloud Platforms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Computational Thinking, Computational Logic, Programming Principles, Code Reusability, Business Logic, Data Integrity
★ 4.7 (15) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Applied Machine Learning, Data Transformation, Data Processing, Keras (Neural Network Library), Machine Learning Methods, Data Modeling, Machine Learning, Python Programming, Statistical Methods
★ 4.4 (37) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, Package and Software Management, Mainframe Computing, Mainframe Technologies, Job Control Language (JCL), Patch Management, Software Configuration Management, Software Installation, File Transfer Protocol (FTP), Enterprise Application Management, System Software, Configuration Management, System Programming, System Configuration, Problem Management, Debugging, Change Control, Dependency Analysis
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks