Confidence courses can help you learn public speaking techniques, assertiveness training, self-presentation skills, and strategies for overcoming imposter syndrome. You can build skills in effective body language, active listening, and managing anxiety in social situations. Many courses introduce tools like visualization exercises, feedback mechanisms, and journaling techniques that support personal growth and help you apply these skills in everyday interactions.

Skills you'll gain: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Oracle Databases, Database Management, Database Development, Relational Databases, Data Integrity, Scalability
★ 4.8 (18) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Microsoft Servers, Windows Servers, User Accounts, Microsoft Windows, Dynamic Host Configuration Protocol (DHCP), Firewall, Server Administration, User Provisioning, Group Policy, Windows PowerShell, Operating System Administration, Systems Administration, Virtualization, Virtualization and Virtual Machines, System Configuration, Virtual Machines, Virtual Environment, Network Administration, Network Troubleshooting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kanban Principles, Sprint Planning, Agile Methodology, User Story, Sprint Retrospectives, Agile Project Management, Backlogs, Workflow Management, Lean Methodologies, Prioritization, Release Management, Continuous Improvement Process, Meeting Facilitation, Cross-Functional Collaboration, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation
★ 5 (11) · Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Command-Line Interface, File I/O, File Systems, Programming Principles, Computer Programming
★ 5 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, Linux Servers, Virtual Networking, Network Infrastructure, Network Protocols, Virtualization and Virtual Machines, Command-Line Interface, System Configuration, Virtualization, General Networking, Remote Access Systems, Network Security, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Post-Production, Adobe Premiere, Video Editing, Media Production, Color Matching, Music, Visual Storytelling, Editing
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Trials, Clinical Data Management, Clinical Research, Case Report Forms, Drug Development, SAS (Software), Statistical Reporting, Pharmaceuticals, Statistical Programming, Data Analysis, Statistical Analysis, Informed Consent, Data Transformation, Data Manipulation, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, PySpark, Databricks, Data Processing, Big Data, Apache, Real Time Data, Model Training, Python Programming, Model Evaluation, Data Manipulation, Machine Learning, SQL, Data Transformation, Performance Tuning, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Software Installation, Electronics Engineering, Electronic Systems, Electronic Components, Electrical and Computer Engineering, Electrical Engineering, Design Software, Technical Design, Computer-Aided Design, Manufacturing and Production, Design, Electrical Systems, System Configuration, Automation, File Management, Data Import/Export
★ 3.7 (6) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Package and Software Management, Remote Access Systems, File Management, Linux Commands, Linux Servers, Operating System Administration, OS Process Management, Ubuntu, Systems Administration, System Monitoring, General Networking, Event Monitoring, Network Administration, System Configuration, Command-Line Interface, Network Troubleshooting, Software Installation, Service Management
Intermediate · Course · 1 - 4 Weeks