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: Canva (Software), Social Media Content, Social Media Campaigns, Content Creation, Visual Design, Social Media Marketing, Generative AI, Video Production, Graphic Design, Video Editing, ChatGPT, Content Marketing, Marketing Design, AI Workflows, Prompt Engineering, Content Strategy, Animations, Storytelling, Branding, Responsible AI
Intermediate · Specialization · 3 - 6 Months

University of Cambridge
Skills you'll gain: Criminal Investigation and Forensics, Investigation, Laboratory Testing, Statistical Analysis, Molecular Biology, Specimen Collection, Scientific Methods, Medical Science and Research, General Science and Research, Data Collection, Case Studies, Biology, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: De-escalation Techniques, Diversity Training, Diversity Equity and Inclusion Initiatives, Crisis Intervention, Cultural Sensitivity, digital literacy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Detection, Cyber Security Strategy, Cyber Threat Intelligence, Cybersecurity, Interactive Data Visualization, Geospatial Information and Technology, Web Scraping, Digital Forensics, IT Automation, Data Security, Security Awareness, Personally Identifiable Information, Network Security, Scripting, Network Analysis, Open Source Technology, Data Analysis Software, Information Privacy
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Sales Presentation, Visionary, Case Studies, Growth Strategies, Business Strategy
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Generative AI Agents, Prompt Engineering, Generative AI, Embeddings, AI Workflows
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Apache Kafka, Apache Hadoop, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Account Management, Account Strategy, Cross Selling, Upselling, Cross-Functional Collaboration, Virtual Teams, Sales Strategy, Business Relationship Management, Customer Relationship Management, Stakeholder Management, Market Intelligence, Relationship Building, Customer Analysis, Business Solutions, AI Personalization, Data-Driven Decision-Making, Negotiation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Web Design, Front-End Web Development, Application Servers, HTML and CSS, Web Development, User Interface and User Experience (UI/UX) Design, Web Servers, Email Automation, Usability, Interactive Design, Java Platform Enterprise Edition (J2EE)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Earned Value Management, Performance Metric, Project Controls, Variance Analysis, Scheduling
Beginner · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Exercise Science, Sports Medicine, Injury Prevention, Athletic Training, Rehabilitation, Kinesiology, Safety Training, Coaching, Adaptive Equipment
Intermediate · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Law, Regulation, and Compliance, Labor Law, European History, Governance, Political Sciences, World History, Culture, Sociology, Socioeconomics
Beginner · Course · 1 - 3 Months