Public Clouds

Verisign provides a variety of security related services including SSL certificates, identify and authentication services and code signing. Verisign also provides a fully managed DNS platform.

Heroku is a platform for deploying Ruby/Rails applications that launched in 2007. It runs on top of Amazon's EC2, but this is fully abstracted from users. Heroku offers both shared and dedicated deployment options and very flexible usage-based pricing.

Zerigo offers VPS (monthly) and cloud servers (hourly) out of it's Denver, CO data center. They offer servers from 256MB-4GB. They also offer DNS and "Watchdog" monitoring services.

AppHarbor markets itself as "Azure done right". They support .NET deployments using a simple GIT push.

AppFog provides a simple PaaS for Java, Python, Node, .Net, Ruby, PHP, MySQL, Mongo, PostgreSQL, and more. The AppFog PaaS also supports multi-cloud deployment options including AWS (multiple regions), HP and Rackspace Cloud.

Microsoft is a late arrival to the cloud market, but is now dedicating significant resources to their Azure cloud services. Azure offers a .NET Platform, Storage, CDN, SQL Server Database and Messaging services, all available with on-demand pricing.

Google offers an assortment of cloud services including the AppEngine Platform and the Google Storage service. Google is very innovative and aggressive in this market and offers generous free usage allocations for these services and paid upgrade options.

Salesforce offers cloud services: Force.com lets users define and manage databases, forms, etc. using a browser GUI. Database.com is a cloud based relational database - basically Force.com without a GUI and more flexible and affordable API usage options.

WebAppCabaret is a Load Balanced platform for deploying JAVA, GRAILS, Ruby/Rails, PHP, Python/Django, and CFML applications. It runs on top infrastructures of GoGrid, Softlayer, and others. Users are able to simply drag-and-drop applications to the Cloud.

Cotendo is a Anycast content delivery network. Their focus is more on the enterprise market, offering not only CDN, but also dynamic site acceleration, DNS, CDN balancing and other features. Pricing is negotiated based on a monthly commit.

Dyn Inc. is an IaaS provider offering managed DNS services. Their managed DNS offers various service add-ons such as GSLB, CDN balancing, and monitor-based load balancing.

CloudFlare was a runner-up for the 2010 TechCruch Disrupt. They provide a unique CDN and security service via website proxying over their anycast network. To use the service, you simply assign DNS for your domain to them, and they take care of the rest.

Rackspace has been providing managed dedicated hosting since 1998. The Rackspace Cloud was launched in 2009 after Rackspace acquired VPS provider Slicehost. Their cloud services currently includes servers, storage and Limelight CDN.

AWS is the guerilla in the room in terms of cloud computing. It was initially created to enable better management of their own infrastructure. AWS offers Servers (EC2), Storage (S3), CDN (CloudFront), Databases (SimpleDB & RDS) and many advanced features.

Dotcloud provides many pre-assembled technology stacks deployed to EC2 including Rails, PHP, PostgreSQL, node.js, Cassandra and many more. The dotcloud CLI allows users to deploy and manage stacks without worrying about complex configurations.

Stackable provides pre-built web stacks for PHP, django, MySQL and VPS's. Stackable takes care of many of the administrative tasks involved with setting up, configuring and managing web stacks. You simply upload your application files and everything works

UltraDNS provides enterprise DNS services for many large Internet websites. In addition to standard DNS, they also provide add-on services such as GSLB, load balancing, website monitoring, DNS failover, and more.

Cloudways Ltd. is a European managed services provider (MSP) that provides on-demand app deployment (PaaS) & cloud hosting solutions on self-service, as well as fully-managed IaaS.

DNS.com provides Anycast managed DNS with 14 anycast nodes globally.

DNS Made Easy offers low cost IP Anycast DNS and add-on services such as site failover and global traffic director.

Easy DNS offers both IP Anycast DNS hosting and domain registration. Large websites such as php.net and ycombinator use Easy DNS.

DNS Park provides primary and secondary managed DNS hosting and various email continuity and filtering services.

No-IP provides IP Anycast managed DNS hosting and email services.

EdgeDirector provides managed DNS services include geo-aware resolution and automated failover.

Nettica provides a comprehensive list of DNS services for home and business including primary or secondary DNS, dynamic DNS, monitoring and DNS failover.

cloudControl provides a pay-as-you-go platform-as-a-service for PHP applications. They include standard PHP capabilities as well as many add-ons such as MySQL, memcached, cron, MongoDB and more.

Cloud Foundry is a platform-as-a-service for building, deploying, and running cloud apps using Spring for Java developers, Rails and Sinatra for Ruby developers, Node.js and other JVM frameworks including Grails.

3Crowd provides a DNS and HTTP redirect platform for content delivery. 3Crowd provides a rules engine that allows users to configure content to be delivered from different sources based on the end user and other properties such as Geo location or ISP.

DNSPod offers free and low cost DNS hosting. DNSPod was founded in 2006, and is based in Shandong, China.

GoDaddy provides a large suite of services including domain registration, DNS hosting, website hosting and more. They are the largest domain registrar.

PowerDNS offers DNS server software and hosted DNS services.