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.

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Visual Storytelling, Graphic Design, Digital Design, Adobe InDesign, Layout Design, Storytelling, Multimedia, Design Elements And Principles, Design Research, Digital Publishing, Peer Review, Aesthetics, Design Reviews, Creativity
★ 4.5 (3K) · Beginner · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Sustainable Engineering, Mechanical Engineering, Engineering Calculations, Engineering, High Voltage, Engineering Analysis, Systems Engineering, Materials science, Energy and Utilities, Time Series Analysis and Forecasting, Electrical Systems, Electric Power Systems, Electrical Power, Structural Analysis, Financial Analysis, Environmental Monitoring, Failure Analysis, Cost Estimation, Mechanics, Engineering Design Process
★ 4.7 (7.3K) · Mixed · Course · 3 - 6 Months

Skills you'll gain: Version Control, Cloud Management, Test Automation, Infrastructure As A Service (IaaS), Cloud Computing, Cloud Infrastructure, Virtual Machines, Development Testing, Test Script Development, Scripting, Network Troubleshooting, Cloud Services, Email Automation, Web Presence, Python Programming, CI/CD, Configuration Management, Program Development, Containerization, Unit Testing
★ 4.8 (55K) · Advanced · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Preprocessing, Feature Engineering, Model Evaluation, Bioinformatics, Exploratory Data Analysis, Random Forest Algorithm, Pandas (Python Package), Scikit Learn (Machine Learning Library), Applied Machine Learning, Data Manipulation, Data Processing, Dimensionality Reduction, Data Cleansing, Model Optimization, Keras (Neural Network Library), Machine Learning Algorithms, Data Transformation, Model Training, Machine Learning, Data Science
★ 3.3 (104) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SAS (Software), Data Quality, Data Analysis, Data Analysis Software, Exploratory Data Analysis, Data Cleansing, Virtual Environment, Data Literacy, Interactive Data Visualization, Data Access, Statistical Reporting, Data Transformation, Statistical Programming
★ 4.7 (890) · Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: ArcGIS, GIS Software, Spatial Data Analysis, Geographic Information Systems, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Data Mapping, File Management
★ 4.8 (2.3K) · Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Storytelling, Writing and Editing
★ 4.5 (2K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Network Security, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Cyber Threat Intelligence, Threat Management, Security Awareness, Incident Response, Cybersecurity, Network Protocols, Endpoint Detection and Response, Threat Detection, Bash (Scripting Language), Debugging, Linux, Web Presence, Python Programming, SQL
★ 4.8 (68K) · Beginner · Professional Certificate · 3 - 6 Months

Interplay Learning
Skills you'll gain: HVAC, Building Codes, Electrical Equipment, Energy and Utilities, Electrical Systems, Facility Repair And Maintenance, Pump Stations, Plumbing, Control Systems, Electrical Wiring, Technical Communication, Facility Management and Maintenance
Beginner · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Data Literacy, Tableau Software, Business Analysis, Analytics, Business Analytics, Business Intelligence, Data Analysis, Data-Driven Decision-Making, Business Intelligence Software, Project Management, Descriptive Analytics, Predictive Analytics
★ 4.7 (497) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Graphic Design, Graphic and Visual Design, Style Guides, Art History, Design Elements And Principles, Design, Layout Design, Visual Design, Logo Design, Design Reviews, Research and Design, Design Research
★ 4.7 (2.6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Orchestration, Agentic Workflows, Workflow Management, LLM Application, Prompt Engineering, Prompt Patterns, Process Optimization, Generative AI Agents, Large Language Modeling, Process Driven Development, Business Process Automation, Operational Efficiency, Agentic systems, Automation, Context Management
Beginner · Course · 1 - 4 Weeks