Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

Skills you'll gain: Database Design, Relational Databases, Databases, SQL, Big Data, Database Systems, Database Management Systems, NoSQL, Operational Databases, Data Warehousing, Data Management, Query Languages, Virtual Machines, Data Storage, Data Analysis, Unstructured Data
★ 4.7 (1.1K) · Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Data Literacy, Critical Thinking, Data Quality, Analytical Skills, Data Analysis, Data Pipelines, Statistical Analysis, Data Visualization, Business Intelligence, Machine Learning, Data Ethics, Correlation Analysis, Data Governance, Data Integrity, Organizational Strategy, Business Communication, Cross-Functional Collaboration, Professional Development, SQL, Change Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: PostgreSQL, Database Administration, Database Design, Relational Databases, Database Management, Database Architecture and Administration, Database Development, SQL, Transaction Processing, Query Languages
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
★ 3.5 (100) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, Data Maintenance, SQL, Linux Administration, System Monitoring, Operating System Administration, Linux, Database Management, Linux Commands, File I/O, Data Migration, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Memory Management
Advanced · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: MySQL, MySQL Workbench, Rust (Programming Language), Data Pipelines, SQL, Relational Databases, Database Management, Query Languages, Data Maintenance, Database Software, Database Management Systems, Databases, Object-Relational Mapping, Data Engineering, Bash (Scripting Language), Data Import/Export, Data Architecture, Data Modeling, Docker (Software), Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Disaster Recovery, Database Management, Secure Coding, Relational Databases, Database Management Systems, Query Languages, Security Controls, Data Access, Data Security, Role-Based Access Control (RBAC), Threat Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Performance Tuning, Data Storage, SQL, Network Administration, Memory Management, User Accounts
★ 5 (20) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Database Management, SQL, Database Management Systems, Big Data, Database Systems, Amazon Web Services, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Query Languages, Data Storage Technologies, Cloud Storage, Extract, Transform, Load, Data Import/Export, Performance Tuning, File Systems, File Management
★ 4.7 (299) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL, Databases
Intermediate · Course · 1 - 3 Months