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.

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, MITRE ATT&CK Framework, Cryptography, Cyber Threat Intelligence, Penetration Testing, Cyber Threat Hunting, Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Computer Security, Threat Modeling, Security Testing, Secure Coding, Cyber Attacks, Cloud Infrastructure, Email Security, Security Controls, Security Awareness, Cyber Risk, Security Strategy
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Anomaly Detection, Production Process, Manufacturing Processes, Data Collection, Systems Analysis, Data Storage, Manufacturing Operations, Systems Engineering, Data Cleansing, Failure Analysis, Digital Transformation, Data Preprocessing, Big Data, Data Analysis Software, Computing Platforms
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Program Development, Algorithms, Memory Management, Computer Programming, Data Access
Beginner · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Programming, Programming Principles, Exploratory Data Analysis, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Other Programming Languages, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Immunology, Molecular Biology, Molecular, Cellular, and Microbiology, Physiology, Cell Biology, Biology, Biochemistry, Infectious Diseases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Marketing Effectiveness, A/B Testing, Target Audience, Marketing Strategies, Marketing, Marketing Planning, Marketing Strategy and Techniques, Online Advertising, Customer Analysis, Conversion Funnel Analysis, Marketing Channel, Advertising Campaigns, Persona Development, Customer Insights, Regression Analysis, Model Evaluation, Data Analysis, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Unix Commands, Scripting Languages, Command-Line Interface, Linux, File Management, Unix, File Systems, Systems Administration
Beginner · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Security Controls, Wireless Networks, Network Administration, Network Routing, Local Area Networks, Infrastructure Security, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Bioinformatics, Life Sciences, Molecular Biology, Biology, Data Mapping, Data Analysis Software, Predictive Analytics, Machine Learning Algorithms, Data Processing, Analysis
Mixed · Course · 3 - 6 Months

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, AI Orchestration, Fine-tuning, Agentic Workflows, AI Workflows, Generative Model Architectures, LLM Application, Data Engineering, Data Manipulation, Model Context Protocol, Data Store, Large Language Modeling, Artificial Intelligence, Application Deployment, Tool Calling, Data Warehousing, Embeddings, SQL
Beginner · Professional Certificate · 1 - 3 Months

Keller Williams
Skills you'll gain: Lead Generation, Real Estate, Real Estate Sales, Property and Real Estate, Customer Relationship Building, Database Management, Real Estate Transactions, Prospecting and Qualification, Sales Prospecting, Relationship Building, Prioritization, Goal Setting, Market Data, Market Analysis, Market Trend, Compensation Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Data Presentation, Data Ethics, Data Storytelling, Data Cleansing, Stakeholder Communications, Analytical Skills, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Visualization Software, Data Validation, Dashboard Creation, Dashboard, Ggplot2, Interviewing Skills, Case Studies, Data Access, Spreadsheet Software, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months