These three courses, all brimming with mini lectures that are just five to 20 minutes long, take you from newbie to pro as efficiently as possible.

These classes are designed to help you pass the AWS Certified Solutions Architect – Associate, AWS Certified Developer, and AWS Certified SysOps Administrator Associate exams — all essential to a career as an AWS professional.

Once you become certified for all three, your job prospects will increase dramatically, and you’ll likely give a boost to your salary, too.

As more people learn the importance of open software and operating systems, Linux is more relevant than ever.

Learning Linux can seem imposing, but even if you have no idea what a command line is, this bundle of lessons will make you a maestro of one of the most relevant software platforms in the world. The entire set of five courses, clocking in at over 22 of hours, is just $19.

The world of programming is wide and wild, bristling with enough different languages, platforms and workflows to leave anyone dizzy.

These 10 courses, clocking in at over 178 hours of content, offer a travel guide for the prospective coder. The best part might be that you can get it for whatever you’re willing to pay, and a portion of every dollar you spend goes to support the important work of Save the Children.

Surfing the Internet on a public Wi-Fi connection? You’re putting yourself and your data in danger. With BitVPN, you can route your traffic through a different server located in an entirely separate region or country, so hackers can’t access your information.

And for a limited time only, you can get a lifetime of protection for just $34.99.

The Lapa Bluetooth Tracker is a tiny device attaches to your keys or wallet – or really anything you want to hang onto – and tracks it for you.

Better yet, it will actually warn you before you leave things behind. But if you do, simply open the Lapa app on your smartphone and it will tell you how close or far away you are. Once lost, now found — you’re welcome.