Portuguese courses can help you learn conversational skills, grammar, vocabulary, and pronunciation. You can build skills in writing essays, engaging in discussions, and understanding cultural contexts. Many courses introduce tools like language apps and online dictionaries that enhance your learning experience and support daily practice. Key topics often include Brazilian and European Portuguese variations, idiomatic expressions, and practical scenarios for travel or business communication.

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
★ 3.9 (47) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Contract Negotiation, Media and Communications, Media Production, Contract Management, Live Streaming, Blogs, Stress First Aid, Content Creation, Social Media Content, Social Media, Compensation Management
★ 4.6 (88) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Security Testing, Linux, Cybersecurity, Vulnerability Scanning, Operating Systems, Exploitation techniques, Microsoft Windows, File Systems, Mac OS
★ 4.6 (98) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Markov Model, Molecular Biology, Machine Learning Methods, Algorithms, Data Transformation, Memory Management, Microbiology
★ 4.6 (61) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, CI/CD, Git (Version Control System), Jenkins, Ansible, Devops Tools, Version Control, Terraform, Docker (Software), Kubernetes, DevOps, Prometheus (Software), Cloud-Native Computing, Continuous Deployment, Containerization, Continuous Integration, Amazon Web Services, Grafana, Configuration Management
★ 4.8 (6) · Beginner · Specialization · 3 - 6 Months

The University of Chicago
Skills you'll gain: Keras (Neural Network Library), Machine Learning Methods, Unsupervised Learning, Machine Learning Algorithms, Deep Learning, Machine Learning, Statistical Machine Learning, Machine Learning Software, Decision Tree Learning, Applied Machine Learning, Scikit Learn (Machine Learning Library), Classification Algorithms, Supervised Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Random Forest Algorithm, Model Training, Dimensionality Reduction, Model Evaluation, Data Preprocessing
★ 3.9 (25) · Intermediate · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Product Development, New Product Development, Entrepreneurship, Business Planning, Web Presence, Production Planning, Operations, Accounting, Bookkeeping, Ledgers (Accounting), Small Business Accounting, New Business Development, Demand Generation, Business Development, Commercial Laws, Owned Media, Digital Media Strategy, Financial Statements, Marketing, Promotional Strategies
★ 4.8 (146) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Stakeholder Communications, Stakeholder Analysis, Relationship Building, Systems Thinking, Communication Strategies, Ethical Standards And Conduct, Survey Creation
★ 4.5 (57) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Earned Value Management, Configuration Management, Communication Planning, Project Controls, Project Risk Management, Project Implementation, Project Management Life Cycle, Quality Assurance, Project Management, Risk Management, Communication Strategies, Conflict Management, Quality Assurance and Control, Product Quality (QA/QC), Strategic Communication, Risk Mitigation, Project Performance, Risk Analysis, Plan Execution, Stakeholder Communications
★ 5 (23) · Intermediate · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Case Studies, Plan Execution, Peer Review, Strategic Planning, Innovation, Organizational Strategy, Business Planning, Project Implementation, Business Strategy, Competitive Analysis, Business Analysis, Strategic Thinking, Corporate Strategy, Constructive Feedback, Strategic Decision-Making, Decision Making
★ 4.7 (386) · Mixed · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Data Preprocessing, Data Analysis, Model Training, Data Collection, AI Workflows, MLOps (Machine Learning Operations), Statistical Analysis, Model Deployment, Data Processing, Data Cleansing, Applied Machine Learning, Predictive Modeling, Machine Learning, Model Evaluation, Descriptive Statistics, Machine Learning Algorithms, Process Management
★ 4.7 (21) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, Prompt Engineering, Generative AI Agents, Data Analysis, Generative AI, OpenAI, Data Visualization Software, Data Manipulation, Artificial Intelligence, Python Programming
★ 4.9 (7) · Intermediate · Guided Project · Less Than 2 Hours