IT & Software

Last updated: October 2026. Written by Josh Hutcheson, OnlineCourseing editor. We re-opened every course below on 22 October 2026 and read its rating, enrollment, length and last-update date from the provider’s own page that day. See our review methodology. QUICK VERDICT Bottom line: For most people, the best start is the social-engineering section of Zero […]

Last updated: August 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: Website Hacking / Penetration Testing by Zaid Sabih is the best starting point — 4.5 from 23,163 ratings, 100 lectures, and updated November 2025. Web is the discipline most testers start with and the one with the

Last updated: October 2026. Written by Josh Hutcheson, OnlineCourseing editor. We re-opened every course below on 22 October 2026 and read its rating, enrollment, length and last-update date from the provider’s own page that day. See our review methodology. QUICK VERDICT Bottom line: Distributed systems rewards both theory and practice. For building, Michael Pogrebinsky’s Distributed

Last updated: October 2026. Written by Josh Hutcheson. See our review methodology. Terraform is the most widely used infrastructure as code tool: you describe servers, networks and databases in code, and Terraform creates and changes them on AWS, Azure, Google Cloud and hundreds of other platforms. It is also a skill you only learn by

Last updated: 29 September 2026 (every course, price and exam detail on this page checked that day). Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. Some links on this page are affiliate links: if you buy through them we may earn a commission at no extra cost to you. It never changes the

Last updated: October 2026. Written by Josh Hutcheson. See our review methodology. Whatever you build a career on (cloud, DevOps, cybersecurity, web servers or data), you will run into Linux. It runs most web servers and cloud instances, and Docker containers are Linux underneath, so command-line fluency is one of the highest-leverage skills an IT

Last updated: August 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: Learn Ethical Hacking From Scratch by Zaid Sabih is the best starting point for most people — 4.6 from 137,367 ratings and, unusually for this category, still actively maintained (updated November 2025). Add hands-on practice on a

Last updated: 1 November 2026. Every course below was re-opened at its provider that day. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: Start with the Google Cybersecurity Professional Certificate: 4.8 from 69,708 reviews, more than 1.66 million enrolled, and no experience required. Then earn CompTIA Security+, the credential

Last updated: October 2026. Written by Josh Hutcheson. See our review methodology. Embedded systems is one of the few software fields where the hardware bites back: you write C that sets bits in a microcontroller’s registers, and a single wrong bit means the LED stays dark or the motor does not turn. A good course

Last updated: October 2026. Written by Josh Hutcheson, OnlineCourseing editor. We re-opened every course below on 22 October 2026 and read its rating, enrollment, length and last-update date from the provider’s own page that day. See our review methodology. QUICK VERDICT Bottom line: To learn the Microsoft Project software itself, take Srikanth Shirodkar’s Microsoft Project

Last updated: November 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: for most people the best starting point is Agile Fundamentals: Including Scrum & Kanban on Udemy (4.5 from 97,724 ratings, 314,467 students), the clearest grounding in how Scrum teams work. Want it free? Preview IBM’s Introduction to

Last updated: October 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: To learn the tool, Microsoft’s own Work Smarter with Microsoft PowerPoint on Coursera (4.7 from 1,248 reviews, 125,551 enrolled) is the best place to start. To make slides that look designed, Andrew Pach’s PowerPoint Masterclass on Udemy