Let’s be frank (no donga), we all like getting things for free, and cloud hosting is no different. The IAAS/PAAS (Infrastructure(Platform)-As-A-Service providers listed below, like most other, offer some free cloud hosting to encourage you to get acquainted with their platforms. And some services actually remain free indefinitely.
Without much ado, here they are:

Amazon Web Services Free Tier

Amazon is probably the biggest cloud computing service provider in the world. Amazon Web Services offer a wide range of infrastructure services and many of them include a free usage offer. The AWS Free Tier is designed to enable you to get hands-on experience with AWS Cloud Services. The AWS Free Tier includes services with a free tier available for 12 months following your AWS sign-up date.
All you have to do to get this is Sign up for an AWS account although you have to enter your card details, I tried it with Diamond Bank Visa Debit Card and it works. After signing up you can immediately deploy web software like WordPress and the likes or stacks like the MEAN Stack or even entire OSes depending on what you require.

OpenShift RedHat

Openshift, owned by RedHat is another cloud computing services company which offers free cloud hosting for your apps. Openshift offers these in what it calls “gears”. When you sign up, you get three small basic gears for free – enough to create three entire web applications complete with private database instances. Each gear is entitled to 1GB of space, Openshift gears re free forever nless you use more than the allocated space. You also get one click deployment for your favourite apps and stacks. You can sign up here to give it a try, your card detail are not required.

Heroku

Heroku is a cloud hosting company which also offers a free service, when you sign up for a Heroku account, it gives you access to a free “dyno”, which is like a “gear” mentioned above. Each dyno has a RAM of 512MB. You can host an app or your choice, in any stack of your choice in that dyno. Heroku is typically used from the Git command line. Apps hosted on the Heroku free dyno can stay online forever provided they do not use more than 512M RAM and are online for a maximum of 18 hours daily. Try it out by signing up here.

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