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.

Coursera
Skills you'll gain: SQL, PostgreSQL, Database Management, Data Manipulation, Database Systems, Query Languages
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Software Documentation, Leaflet (Software), Data Wrangling, Data Preprocessing, Technical Documentation, Data Manipulation, Data Cleansing, Package and Software Management, R (Software), Data Visualization Software, Program Development, Code Review, Plot (Graphics), Ggplot2, R Programming, GitHub, Continuous Integration, Software Technical Review, Software Testing
★ 4 (44) · Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Exploratory Data Analysis, Regression Analysis, R Programming, Statistical Analysis, Statistical Programming, R (Software), Statistical Modeling, Business Analytics, Analytics, Data Analysis, Statistics, Statistical Methods, Predictive Modeling, Statistical Inference, Data Transformation, Estimation, Statistical Hypothesis Testing, Model Evaluation
★ 5 (6) · Intermediate · 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: Debugging, Program Development, Data Structures, Code Reusability, Python Programming, Scripting, Programming Principles, Computer Programming, Development Environment, Scripting Languages, Computational Logic
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, Infrastructure as Code (IaC), DevOps, YAML, Linux, Encryption, Security Controls
★ 3.3 (15) · Beginner · 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: 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: Linux Commands, Linux, TCP/IP, Scripting, Shell Script, Bash (Scripting Language), Network Monitoring, Network Analysis, Network Security, Network Protocols
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

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

Illinois Tech
Skills you'll gain: Statistical Inference, Regression Analysis, Statistical Programming, R Programming, Statistical Methods, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Data Science, Data Analysis, Probability & Statistics, Linear Algebra
★ 4.6 (31) · Intermediate · Course · 1 - 4 Weeks