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: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Web Design and Development, API Design, User Interface (UI), Databases, Scalability, GitHub, Command-Line Interface, Data Validation
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Governance, Threat Modeling, Incident Response, Network Security, Cyber Threat Intelligence, Malware Protection, Cyber Attacks, Governance Risk Management and Compliance, Hardening, Threat Detection, Security Strategy, Mobile Security, Business Risk Management, Cyber Security Policies, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
Beginner · Specialization · 1 - 3 Months

Rice University
Skills you'll gain: Differentiated Instruction, Diversity Awareness, Web Content Accessibility Guidelines, digital literacy, Instructional Strategies, Culture, Education Software and Technology, Special Education, Cultural Responsiveness, Intercultural Competence, Cultural Diversity, Teaching, Instructing, Curriculum Planning, English Language, Learning Management Systems, Lifelong Learning, Student Engagement, Lesson Planning, Language Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Benchmarking, Content Performance Analysis, Customer Engagement, Customer Analysis, Performance Analysis, Management Reporting, Customer Retention, User Research, Real Time Data, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Model Evaluation, Statistical Analysis, Bayesian Statistics, Data Visualization, Statistical Inference, Exploratory Data Analysis, Data Cleansing, Regression Analysis, Analytics, Data Analysis, Logistic Regression, Machine Learning, R Programming, Data Preprocessing, Statistical Modeling, Data Validation, R (Software), Data Mining, Statistical Programming, Predictive Modeling
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Model Evaluation, Computer Vision, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Image Analysis, Transfer Learning, Matlab, Deep Learning, Artificial Neural Networks, Applied Machine Learning, PyTorch (Machine Learning Library), Data Preprocessing, Classification Algorithms, Data Visualization, Data Synthesis, Performance Tuning, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Database Management, Distributed Computing, Database Design, Database Architecture and Administration, Performance Tuning, Data Architecture, Scalability, Data Modeling, Data Validation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Management, MySQL, Database Development, Database Systems, Databases, Relational Databases, Database Application, Database Design, Query Languages, Data Access, Java, Java Programming, UI Components, User Interface (UI), Transaction Processing, Software Development
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Unix Commands, Linux Commands, Unix, Linux, File I/O, File Management
Intermediate · Guided Project · Less Than 2 Hours