Library courses can help you learn cataloging, reference services, information literacy, and digital resource management. You can build skills in research techniques, data organization, and community outreach. Many courses introduce tools like integrated library systems and online databases, that support managing collections and providing access to information.

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Java Programming, Test Tools, Integrated Development Environments, Test Automation, Java, Software Architecture, Business Logic, Data Persistence
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Query Languages, Data Integration, Python Programming, Debugging
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Keras (Neural Network Library), Matplotlib, Plot (Graphics), Artificial Neural Networks, Image Analysis, Deep Learning, Applied Machine Learning, Python Programming, Model Training, Model Evaluation, Model Optimization, Adaptability, Problem Solving
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Continuous Integration, Application Deployment, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Authorization (Computing), Frontend Integration, Back-End Web Development, Restful API, Application Programming Interface (API), GitHub, Javascript
★ 4.7 (43) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Email Automation, Document Management, Microsoft 365, Invoicing, Collaborative Software, Automation, User Accounts
★ 4 (21) · Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Vibe coding, Generative AI Agents, GitHub, AI Workflows, Software Development Tools, Application Development, Artificial Intelligence, Generative AI, AI Personalization, Code Review, Responsible AI, Software Development, Front-End Web Development, Design Software, React.js, Software Engineering, Web Development, Javascript
★ 4.9 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Bioinformatics, Applied Machine Learning, Interactive Data Visualization, Supervised Learning, Machine Learning Methods, Data Visualization, Machine Learning, Informatics, Big Data, Data Science, Biostatistics, Data Integration, Precision Medicine, Medical Science and Research, Unsupervised Learning, Molecular Biology, Data Processing, Data Analysis, Metadata Management, Cell Biology
★ 4.8 (27) · Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Cleansing, Data Storage, Data Integrity
★ 4.6 (49) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Debugging, Data Wrangling, Data Analysis, Data Transformation, Data Preprocessing, Numerical Analysis, Critical Thinking
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scikit Learn (Machine Learning Library), Classification Algorithms, Applied Machine Learning, Model Training, Machine Learning Algorithms, Predictive Modeling, Supervised Learning, Random Forest Algorithm, Machine Learning, Unsupervised Learning, Data Analysis
★ 4.6 (19) · Beginner · Guided Project · Less Than 2 Hours