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.

Duke University
Skills you'll gain: World Music, Music History, Music, Musical Composition, Music Theory, Aesthetics, Multimedia, Public Affairs, Culture, Performing Arts, Interactive Learning, Music Performance, Electronic Media, Experimentation, Creativity, Media and Communications, Cultural Diversity, Research
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Platforms, Cloud Services, Cloud Deployment, Cloud Technologies, Cloud Infrastructure, Cloud Computing Architecture, Public Cloud, Infrastructure As A Service (IaaS), Managed Services, Serverless Computing, Virtual Machines, Hybrid Cloud Computing, Software As A Service, Microsoft Azure, Platform As A Service (PaaS), Emerging Technologies, Containerization, Scalability
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Data Synthesis, Convolutional Neural Networks, Image Analysis, Computer Vision, Artificial Neural Networks, Model Evaluation, Applied Machine Learning, Deep Learning, Machine Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Data Preprocessing, Deep Learning, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Feature Engineering, Predictive Modeling, Data Cleansing, Machine Learning, Real Estate, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Personal Development, Sales Operations, Sales Management, Sales Training, Communication, User Research, Mentorship, Negotiation, Persona Development, Process Optimization, B2B Sales, Interpersonal Communications, Customer Analysis, Employee Coaching, Forecasting, Self-Awareness, Customer Relationship Management (CRM) Software, Account Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Active Directory, Windows Servers, User Accounts, Microsoft Windows, Dynamic Host Configuration Protocol (DHCP), Firewall, Server Administration, Group Policy, Windows PowerShell, Operating System Administration, Systems Administration, Virtualization, Virtual Machines, Network Administration, Network Security, File Systems
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Color Theory, Video Production, Cinematography, Editing, Photo/Video Production and Technology, Configuration Management, Web Content Accessibility Guidelines, Data Import/Export, Image Quality, Music, Color Matching, File Management, Typography
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Prompt Engineering, Sales Strategy, Sales Pipelines, AI Personalization, Sales Operations, Responsible AI, Lead Generation, Sales Development, Generative AI Agents, Competitive Analysis, Sales Management, Marketing Automation, Customer Relationship Management (CRM) Software, Account Management, Business Process Automation, Business Intelligence, Workflow Management, Market Analysis, Data-Driven Decision-Making, Forecasting
Intermediate · Specialization · 1 - 3 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Storytelling, Performing Arts, Writing, Creativity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Bookkeeping, QuickBooks (Accounting Software), Accruals, Ledgers (Accounting), Month End Closing, Accrual Accounting, Accounting Software, General Ledger, Accounting Records, Accounting, General Accounting, Reconciliation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Promotional Strategies, Marketing Planning, Adobe Express, Marketing Strategy and Techniques, Social Media Content, Cross-Channel Marketing, Content Marketing, Target Audience, Social Media, Digital Marketing, Marketing Analytics, Data Ethics, Marketing Strategies, Social Media Marketing, Content Strategy, Brand Marketing, Market Research, Graphic and Visual Design, Generative AI, Performance Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Continuous Improvement Process, Lean Methodologies
Beginner · Course · 1 - 4 Weeks