1. Windows azure Windows azure trial offer, giving 200$ free credit to test out their services. Its a 200$ free credit trial or 30 days. (free 20 core) Windows Azure Free Trial: Try Windows Azure | Azure Free Trial 2. Aws Amazon A free 100$ credit on Amazon AWS that can be used on the EC2 service. (CPU and GPU, good for mining coin.) Power of 60: Get Started with Amazon Web Services 3. HP Public Cloud Free trial period begins on date you create your new HP Public Cloud account. Promotional offer will appear as a $50 credit to each of your first three HP Public Cloud monthly invoices. If your usage exceeds this $50 credit in a billing cycle, you will be charged standard HP Cloud pricing for any additional usage. Sign up today. Try HP Public Cloud free for 90 days | HP Public Cloud 4. Dimensiondata Limited time trial offer for 200$ from Dimensions Data, they charge a hourly rate on servers. https://nacloud.dimensiondata.com/limitedoffer/ 5. Eucalyptus Build a Private Eucalyptus Cloud | Get Started | Eucalyptus 6. GoGrid You can request 30 days trial or use the coupon code to get $50 FREE CREDIT. Coupon Code: CLOUDTRIAL (expire soon) https://securesignup.gogrid.com/ 7. Joyent Cloud $65.00 of usage value per calendar month for up to 2 months. Total $65+$65=$130. Free Trial - Joyent 8. InstaCompute With a 30-day trial of InstaCompute. They will call you within 24 hours or less to set up your free trial. Please note that you must provide a valid business phone number and email address in order to activate your account. You will be able to deploy cloud resources as soon as your account is verified. http://instacompute.com/pricing/free-trial/ 9. Terremark http://www.theenterprisecloud.com/trial/vmware/ 10. DigitalOcean (Good and cheap for mining coin) Use promocode : DIVEIN10 for $10 credit https://www.digitalocean.com/