Free VPS and RDP Trial no Credit Card Required

Probably already know much of the meaning of the title above, yes its true free trial free trial means. In a broader sense I will try to describe a VPS Free Trial is a trial that VPS is temporary, as for probation each VPS ranging from 1 hour even up to 1 year. The following list of VPS provider free trial.

VPS Free Trial (Without Credit Card)

http://cloudsigma.com/ (7 days free trails) <= Recommended
https://secure.upcloud.com/signup (14 days free trial) <= Recommended
https://www.linode.com/ (4 hours)
http://www.cloudup.it/ (14 days free trails)
https://east1.openhosting.com/accounts/trial/ (5 days free trails)
http://www.elastichosts.com/cloud-hosting/free-trial (5 days free trails)
https://eduvps.net/‎
http://www.desktone.com/free_trial (7 days free trails)
http://eurobyte.ru/ (14 days free trails)
http://www.atum.com/ (15 days free trails)
http://www.cloudee.eu/preorder (6 days free trails)
http://www.cloudshare.com/ (14 days free trails)
http://www.rsaweb.co.za/cloud-servers-free-trial/ (7 days free trails)
http://www.vps.me/ (may be for more than one year)
http://www.kimsufi.co.uk/vks/geovks.xml (VKS) (may be for more than one year)
http://www.sublimeip.com/services/cloud/free-trial/ (5 days free trails)
https://www.gandi.net/hosting/trial (7 days free trails)

VPS Free Trial (Credit Card Required)

https://www.digitalocean.com/‎ (2 month free trials)
http://aws.amazon.com/ (for one year) 
http://www.softlayer.com/info/special-free-cloud (for one month)
http://www.windowsazure.com/en-us/pricing/free-trial/ (90 days free trails)
https://chunkhost.com/ (14 days free trails)
http://www.triple8.net/vps.htm (7 days free trails)
https://www.zunicore.com/ (14 days free trails)
http://instantappz.com/ (7 days free trails)
http://www.rsawebcloud.com/ (7 days free trails)
http://www.dedicatedserver.com/ (they will give you $200 to use)
http://www.gogrid.com/ (VM) (they will give you $100 to use)
http://www.phoenixnap.com/secured-cloud/ (for one month) (they will give you $50 to use)
https://airvm.cloudhostedservers.com/products.php?trial=go
http://www.serverlove.com/free-trial/ (for one month) (they will give you £15 free credit to use)
https://cloud.atlantic.net/index.php?page=newsignup (for one month) (they will give you $15 free credit to use).

Update VPS Free Trial

https://www.profitbricks.com/ (14 days free trails)
https://setupvps.com/clients/cart/&step=5&cat_id=register (3 days free trails)
https://cloudstore.interoute.com/cs.product/vdc/freetrial/  (14 days free trails)
https://cos.cloudorange.in/accounts/trial/ (5 day free trial)
https://incloudibly.com/en/cart/add/13/trial (7-day trial)
http://greenqloud.com/  (7-day trial)
http://www.joyent.com/ (may be 2 month trial)
https://www.exoscale.ch/ (trial 5 days)
https://ninefold.com/  (Unlimited for 30 days)
https://agile.internap.com/signup/register (with promocode: TRYINTERNAP)
https://console.entercloudsuite.com/ecs/registration (Free Credit 15€)

Source : vpsfreetrial (blogger)