Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
★ 4.8 (15) · Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Anomaly Detection, Feature Engineering, Data Ethics, Machine Learning Algorithms, Machine Learning Methods, Classification Algorithms, Responsible AI, Machine Learning, Statistical Machine Learning, Applied Machine Learning, Supervised Learning, Unsupervised Learning, Scikit Learn (Machine Learning Library), Model Evaluation, Model Training, Machine Learning Software, Decision Tree Learning, Model Optimization, Regression Analysis
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Patterns, Prompt Engineering, Responsible AI, Data Presentation, Sampling (Statistics), Excel Formulas, Spreadsheet Software, Generative AI, Data Analysis, Analytical Skills
★ 4.9 (25) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Security, Application Security, Secure Coding, Data Ethics, IT Security Architecture, Vulnerability Assessments, Responsible AI, Data Security, Security Controls, Cybersecurity, Security Awareness, Threat Management, Continuous Monitoring, Authorization (Computing), Encryption, Authentications, Penetration Testing
★ 3.6 (19) · Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Creative Design, Creativity, Habit Formation, Computer Graphic Techniques, Graphics Software, Peer Review, Digital Design, Design Elements And Principles, Visual Storytelling, Creative Thinking, Goal Setting, Storytelling, Constructive Feedback, Design Software, Color Theory, Apple software proficiency, Technical Drawing
★ 4.7 (13) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Photo Editing, Content Creation, Graphic Design, Color Matching, Creative Design
★ 4.6 (30) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Accounts Payable, Accounts Payable and Receivable, Prompt Engineering Tools, Data Ethics, Accounting and Finance Software, Financial Data, Make.com, Data Governance, Workflow Management, Miro AI, Financial Forecasting, Financial Management, Financial Analysis, Artificial Intelligence, No-Code Development, Budgeting, Forecasting
★ 3.3 (11) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Feature Engineering, Machine Learning Methods, Data Manipulation, Machine Learning, Machine Learning Algorithms, Data Validation, Python Programming, Data Transformation, Text Mining, Taxonomy, Project Design, Data Processing, Data Modeling, Unstructured Data, Data Integration, Metadata Management, Exploratory Data Analysis, Deep Learning, Natural Language Processing
★ 4.7 (74) · Intermediate · Specialization · 1 - 3 Months

The State University of New York
Skills you'll gain: Writing, Document Management, Proofreading, Editing, Business Writing, Writing and Editing, Productivity Software, Personal Attributes, Organizational Skills, Job Analysis, Constructive Feedback, Vocabulary, Keyword Research, Peer Review
★ 4.7 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Generative AI, LLM Application, Large Language Modeling, Embeddings, Natural Language Processing, Unstructured Data, Application Development, Data Pipelines, User Interface (UI), Data Processing, SQL, Front-End Web Development, Application Deployment
★ 4.4 (14) · Intermediate · Course · 1 - 4 Weeks