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.

Peking University
Skills you'll gain: Data Structures, Algorithms, Database Systems, Performance Tuning, File Systems, Information Management, Theoretical Computer Science, Computer Programming
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Software Systems, Systems Architecture, Systems Design, Hardware Architecture, Software Architecture, System Programming, Real Time Data, System Requirements, Linux
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Performance Metric, Live Streaming, Event-Driven Programming, Network Troubleshooting, Network Architecture
Beginner · Specialization · 1 - 3 Months
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Migration, Data Manipulation, Data Preprocessing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, Artificial Intelligence, LLM Application, Development Environment, Tool Calling, Prompt Engineering, Human Machine Interfaces, Software Development Tools, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Robotics, Electronic Systems, PIC Microcontrollers, Computer Systems, Internet Of Things, Automation, Control Systems, C (Programming Language), Peripheral Devices, Wireless Networks, Medical Devices, Electric Power Systems, Computer Architecture, Civil Engineering, Cybersecurity, Public Works, Cloud Computing, Electronic Hardware
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Software, System Programming, Software Development Tools, Embedded Systems, Software Development, Debugging, Application Security, C (Programming Language), Application Development, Computer Architecture, C++ (Programming Language), Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Ggplot2, Data Analysis, Python Programming, Data Science, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Applied Mathematics, NumPy, Jupyter, Mathematical Modeling, Data Science, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Data Lakes, Data Pipelines, Data Integration, Dashboard, PySpark, SQL, Apache Spark, Data Management, Data Transformation, Version Control
Intermediate · Guided Project · Less Than 2 Hours