Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Content Optimization, Keyword Research, Web Analytics, Content Performance Analysis, Content Strategy, Digital Marketing, Social Media Strategy, Digital Media Strategy, Performance Analysis, Strategic Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Other Programming Languages, Code Reusability, Secure Coding, Data Structures, Data Sharing, Data Management, Data Access
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Preventative Care, Patient Education And Counseling, Pharmacology, Contraindication, Bloodborne Pathogens, Public Health and Disease Prevention, Drug Interaction, Health Promotion, Primary Care, Health Disparities, Patient Education and Support, Medication Therapy Management, Health Equity, Pharmacotherapy, Clinical Pharmacy, Patient Evaluation, Public Health, Community Health, Clinical Assessment, Patient Communication
★ 4.7 (150) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Cloud-Native Computing, Cloud Development, Prometheus (Software), Grafana, Program Development, Software Architecture
★ 3 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Scikit Learn (Machine Learning Library), Data Visualization, Feature Engineering, Data Preprocessing, Model Training, Customer Analysis, Predictive Modeling, Scientific Visualization, Predictive Analytics, Marketing Analytics, Applied Machine Learning, Online Advertising, Data-Driven Marketing, Logistic Regression, Data Cleansing, Data Manipulation, Machine Learning, Python Programming, Deep Learning
★ 4.6 (10) · Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Serverless Computing, Amazon S3, Amazon Web Services, Kubernetes, Containerization, Cloud Storage, Disaster Recovery, Application Deployment, Cloud Deployment, Cloud Computing Architecture, Cloud Solutions, Continuous Deployment, Data Storage, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Token Optimization, ChatGPT, No-Code Development, OpenAI, LLM Application, Generative AI, Microsoft Power Platform, Application Programming Interface (API), Email Automation, Application Development, Microsoft Power Automate/Flow, Serverless Computing, Microsoft Azure, Microsoft Outlook, Email Marketing
Intermediate · Course · 3 - 6 Months

Whizlabs
Skills you'll gain: Amazon CloudWatch, Amazon Web Services, AWS CloudFormation, Cloud Management, Infrastructure as Code (IaC), AWS Identity and Access Management (IAM), Configuration Management, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Music Theory, Classical Music, Music History, Music, Musical Composition, Instrumental Music, Music Performance
★ 4.9 (15) · Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Infographics, Canva (Software), Podcasting, Video Production, Instructional Design, Multimedia, Content Creation, Adult Learning Principles, Presentations, Visual Storytelling, Digital pedagogy, Graphic Design, Digital Content, Videography, Visual Design, Storyboarding, Creative Design, Learning Strategies, Electronic Media, Communication Strategies
★ 4.8 (109) · Beginner · Course · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Network Routing, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Protocols, Networking Hardware, General Networking, Network Routers, Computer Networking, Command-Line Interface, Virtual Networking, Network Administration, Configuration Management
★ 4.8 (94) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Javascript, Web Development Tools, Middleware, Web Development
★ 4.8 (12) · Intermediate · Course · 1 - 4 Weeks