CertNexus
Skills you'll gain: Extract, Transform, Load, Data Manipulation, Data Preprocessing, Data Processing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, Data Storage
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Debugging, Data Analysis, Simulations, Programming Principles, Integrated Development Environments, Data Import/Export, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Node.JS, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Back-End Web Development, Restful API, Application Programming Interface (API), GitHub, Javascript
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Scripting, Package and Software Management, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Application Development, Computer Programming, Programming Principles, File I/O
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Software Systems, Systems Architecture, Systems Design, Hardware Architecture, Software Architecture, System Programming, Real Time Data, System Requirements, Linux
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, Web Design and Development, Web Development Tools, Web Design
Intermediate · Guided Project · Less Than 2 Hours

Meta
Skills you'll gain: Git (Version Control System), Android Jetpack, Android Development, Android Studio, User Interface and User Experience (UI/UX) Design, Mobile Development, User Interface (UI), Kotlin, Application Development, Wireframing, User Flows
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Spring Boot, Application Development, Redis, Java, Hibernate (Java), Web Development, Database Development, Authentications, Application Security, Performance Tuning, Unit Testing, Command-Line Interface, Event Monitoring, Software Configuration Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: IBM Cloud, Cryptography, Algorithms, Python Programming, Linear Algebra, Computational Thinking, Jupyter, Simulation and Simulation Software, Physics, Software Installation, Development Environment
Beginner · Course · 3 - 6 Months