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: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, ChatGPT, Generative AI, OpenAI, Large Language Modeling, Multimodal Prompts, OpenAI API, LLM Application, AI powered creativity, AI Product Strategy, Creative Design, AI Integrations, Marketing Strategy and Techniques, Responsible AI, A/B Testing, Time Management
★ 4.4 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Computer Vision, Recurrent Neural Networks (RNNs), Machine Learning Methods, Convolutional Neural Networks, Plot (Graphics), Matplotlib, Data Visualization, Probability & Statistics, Deep Learning, AI Personalization, Classification Algorithms, Artificial Intelligence, Plotly, Statistical Analysis, Statistical Methods, Machine Learning, Applied Machine Learning, Digital Signal Processing, Statistical Inference
★ 3.8 (8) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Test Tools, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Application Programming Interface (API), Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Penetration Testing, Cybersecurity, Exploitation techniques, Authentications, Scripting, Python Programming, Data Access, Identity and Access Management
★ 4.6 (27) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Pandas (Python Package), Data Visualization, Seaborn, Plot (Graphics), Jupyter, Matplotlib, Data Analysis, Data Science, Statistical Analysis, NumPy, Data Manipulation, Data Cleansing, Descriptive Statistics, Python Programming, Data Quality
★ 4.1 (15) · Beginner · Guided Project · Less Than 2 Hours

Universitat Politècnica de València
Skills you'll gain: SQL, Database Management Systems, Relational Databases, Database Management, Databases, Database Theory, Query Languages, Data Integrity, Secure Coding, Data Manipulation
★ 3.1 (9) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
★ 4.5 (26) · Intermediate · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Conversion Funnel Analysis, Dashboard, Data Pipelines, Strategic Prioritization, Customer Retention, Customer Analysis, Product Strategy, SQL, Data Analysis, Business Intelligence, Data Warehousing, Pandas (Python Package), Performance Metric, Statistical Analysis, Scikit Learn (Machine Learning Library), Decision Making, Resource Allocation, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cryptography, Model Evaluation, Exploratory Data Analysis, Event-Driven Programming, Encryption, Cryptographic Protocols, Regression Analysis, Apache, Web Development, Web Scraping, Model Training, Classification Algorithms, Machine Learning Algorithms, Data Preprocessing, Secure Coding, Public Key Cryptography Standards (PKCS), Natural Language Processing, Web Applications, Key Management, Python Programming
★ 4.8 (75) · Beginner · Specialization · 3 - 6 Months