American Sign Language courses can help you learn basic vocabulary, grammar, and conversational skills while also exploring cultural nuances and history. You can build skills in fingerspelling, facial expressions, and understanding non-manual signals to enhance communication. Many courses introduce tools like video resources and interactive practice platforms that support learning through real-time feedback and peer interaction.

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Sharing, Data Mining, Interoperability, Software Architecture, Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Django (Web Framework), Authentications, PostgreSQL, Scalability, Application Deployment, Cloud Hosting, User Accounts, Application Security, Python Programming
Advanced · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Storytelling, Liberal Arts, Spanish Language, Literacy, Writing and Editing, Language Competency
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Data Modeling, Regression Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Unit Testing, Programming Principles, Javascript, React Native, JSON, Computer Programming, Node.JS, Object Oriented Programming (OOP), Software Testing, Functional Design
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Responsible AI, Gemini, Claude Code, Artificial Intelligence, Communication, Social Skills, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Decision Support Systems, Data Warehousing, Data Mining, Database Design, Business Intelligence, Dashboard, Star Schema, Relational Databases, Database Management, Snowflake Schema, Data Visualization Software, Data Visualization, Business Reporting, Database Management Systems, SAS (Software), Data Modeling, Interactive Data Visualization, SQL, Descriptive Statistics
Beginner · Specialization · 1 - 3 Months

Northwestern University
Skills you'll gain: Robotics, Simulation and Simulation Software, Mathematical Modeling, Mechanical Engineering, Vibrations, Algorithms, Torque (Physics), Control Systems, Applied Mathematics, Calculus, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Hospitality, Climate Change Adaptation, Market Dynamics, Digital Transformation, Hotels and Accommodations, Sustainable Development, Travel Arrangements, Food Services, Economic Development, Socioeconomics, Environmental Resource Management, Cultural Diversity, Culture, Consumer Behaviour, Supply And Demand
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Model Deployment, Responsible AI, Microsoft Azure, Data Science, Applied Machine Learning, MLOps (Machine Learning Operations), Predictive Modeling, Model Evaluation, Machine Learning, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
Beginner · Specialization · 1 - 3 Months