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.

Salesforce
Skills you'll gain: Sales Process, Sales, Salesforce, Customer Relationship Management (CRM) Software, Sales Operations, Customer Relationship Management, General Sales Practices, B2B Sales, Sales Pipelines, Data Management, Customer Data Management, Information Management, Databases, Data Quality, Data Cleansing, Business-To-Consumer
★ 4.6 (1.7K) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Ancient History, Liberal Arts
★ 4.8 (795) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Post-Production, Storytelling, Instrumental Music, Media Production, Writing and Editing, Editing, Oral Expression, Organizational Skills, Writing
★ 4.8 (3.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Splunk, Performance Tuning, Scalability, Dataflow, Data Pipelines, Real Time Data, System Monitoring, Problem Management, Data Processing, Query Languages, System Configuration, Data Storage
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Environmental Policy, Climate Change Programs, International Relations, Climate Change Mitigation, Energy and Utilities, Petroleum Industry, Oil and Gas, Governance, Diplomacy, Public Policies, Policy Development, Sustainable Development, Public Safety and National Security, Policy Analysis, Economics, Security Strategy, Electric Power Systems, Sustainable Technologies
★ 4.7 (730) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI, Agentic Workflows, Hugging Face, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Embeddings, Artificial Intelligence, Data Processing, Vector Databases, Retrieval-Augmented Generation, Python Programming
★ 4.4 (141) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Oral Expression, Verbal Communication Skills
★ 4.9 (11) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Spatial Data Analysis, Data Import/Export, Interactive Data Visualization, Query Languages, Data Integration, GIS Software, Geospatial Information and Technology, Big Data, Data Store
Beginner · Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Sustainability, Water Resource Management, Hydrology, International Relations, Mediation, Arbitration, Conflict Management, Sustainable Development, Discussion Facilitation, Negotiation, Adjudication, Political Sciences, Governance, Environmental Laws, Data Collection
★ 4.9 (48) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Pipelines, Google Cloud Platform, Extract, Transform, Load, Data Infrastructure, Data Processing, Apache Airflow, Cloud Storage, Data Integration, Data Migration, Data Lakes, Big Data, Data Import/Export, Data Storage, Data Storage Technologies, Data Transformation, Data Sharing, Command-Line Interface, Automation, Serverless Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Data Integration, Windows PowerShell, Data Pipelines, Microsoft Windows, Data Preprocessing, Data Import/Export, Windows Servers, Data Validation, Configuration Management, Software Configuration Management, Event Monitoring, Fine-tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Languages and XML
Beginner · Course · 1 - 4 Weeks