Here is our point of view and analysis on other cloud computing companies to watch carefully.

• Acumatica [SaaS, ERP]
• Aprigo [SaaS, Data Management - Google Docs]
• Birst [SaaS, Cloud Analytics]
• Boomi AtomSphere [Cloud Tools, Cloud Integration]
• CA's Clarity Cloud Computing [SaaS, PPM (Project Portfolio Management)]
• Cast Iron [Cloud Tools, Cloud Migration and Integration]
• Certeon aCelera Cloud Computing [IaaS, Cloud Tools, Acceleration]
• Clarity Systems Cloud Computing [SaaS, Corporate Performance Management]
• Cloudera [Cloud Tools, Parallel Processing (Hadoop) Configuration]
• Cloudscaling [IaaS, Cloud Building Consultancy]
• CloudSwitch [Cloud Tools, Migration to Cloud Providers]
• Concur [SaaS, Travel and Expense Management]
• Desktone [IaaS, VDI]
• enStratus [Cloud Tools: Cloud Broker]
• Ericom WebConnect [IaaS, VDI]
• Eucalyptus [IaaS, Private Cloud Construction]
• Financial Force [SaaS, Accounting]
• Fischer International Identity as a Service™ [IaaS, IDaaS, Cloud Tools]
• Fujitsu Cloud Computing [IaaS] [SaaS, Global Retail Application]
• GlassHouse [Infrastructure: Data Center Consulting and Services]
• Good Data [SaaS, BI, Analytics]
• ICC Global Hosting [IaaS, VDI]
• Intacct [SaaS, Accounting]
• Jive [SaaS, Enterprise Collaboration / Social Community Platforms]
• Marketo [SaaS, Marketing Automation]
• Nasuni Cloud Gateway [IaaS, Cloud Gateway]
• newScale Cloud Service Catalog [IaaS, Service Catalog]
• Nimbula [IaaS, Cloud Operating System]
• Oco [SaaS, Supply and Demand Chain Business Analytics]
• Okta [Cloud Tools, Identity Management and Access Control]
• OrangeScape [Vendor-neutral PaaS]
• Pervasive Cloud Computing [Cloud Tools, Data Migration, Integration and Analytics]
• PivotLink Cloud Computing [SaaS, Business Analytics]
• Power Steering Software [SaaS PPM]
• Quest Cloud Computing [SaaS] Microsoft Windows IT Management
• SCC [IaaS, VDI]
• Service-Now Cloud Computing [SaaS/Cloud Tools, Enterprise Service Management]
• SnapLogic [Cloud Tools, Integration]
• Soasta [Cloud Tools, Load and Performance Testing
• SoftScape Cloud Computing [SaaS, Human Resources Talent Management]
• StepStone Cloud e-Recruitment
• SugarCRM [SaaS, CRM]
• Ultimate Software [SaaS, HCM]
• Veeva Cloud Computing [SaaS, CRM for Pharmaceutical Industry]
• Vertica [SaaS, Business Analytics]
• Workday [SaaS, HCM and ERP]
• Xactly [SaaS, Sales Incentive and Compensation System]
• Zeus [SaaS, Web Traffic Manager]
• Zoho [SaaS, Business Application Suite]
• Zuora [SaaS, eCommerce Subscription Billing and Payments]

Here are some we plan to evaluate soon:

• ServiceMesh
• Nexaweb
• Workxpress
• Red Hat
• Intralinks
• Pegasystems
• Attask (Top SaaS Project and Portfolio Mgmt Solution)
• Innotas (Top SaaS IT Governance/Application Portfolio Rationalization Solution)
• Ecosign
• Veriphyr, user compliance as a service
• Central Desktop
• Mindtouch.com, Backblaze.com, and Egnyte.com
• Navisite
• Nirvanix
• Zetta
• Univa UD
• ProcessUnity Compliance SaaS
• LiveOps
• SAS (BI)
• Qlikview/Qliktech (BI)
• InContact SaaS Call Center
• SAP Business ByDesign
• Right90 (Sales Forecasting. Low traffic.)
• Workscape [SaaS, HR Benefits Mgmt]
• Authoria/PeopleClick [non-SaaS (?), Talent Mgmt/Recruitment]
• Surgient [IaaS, private cloud automated implementation]
• Open Nebula [Cloud Tools, cloud building toolkit]
• Scalr.net
• Paglo [Cloud Tools, log monitoring in the cloud] bought by Citrix in Q1, 2010
• Appirio [SaaS]
• SocialText [SaaS, internal enterprise collaboration]
• Telligent [SaaS, internal enterprise collaboration]
• OpenText [SaaS, internal enterprise collaboration]
• LongJump
• Rollbase
• Plex Systems
• Ariba
• Epicor Lite
• StandingCloud
• Storwize [IaaS, Storage Optimization]
• 3Tera [SaaS] acquired by CA in Feb, 2010. Traffic dropped to almost nothing over the past 6 months.
• AutoVirt [SaaS, distributed file system for unstructured data]
• F5[IaaS, application acceleration]
• SaaSure
• Mercato
• InsightView
• Adaptivity (IT Blueprint. Useful for cloudTP assessments?)
• Cordys (BPM in the cloud)
• MLState (secure web application development framework)
• www.virtualark.com (for companies wanting to build/launch their own SaaS solution)
• NetApp [Private Cloud Construction]
• Cloud.com
• Aepona.com (Mobile as a Service, Network as a Service framework)
• Cirba.com
• FathomDB
• KSplice -- rebootless patch mgmt for linux.
• Basho [No SQL massively scalable database]
• Novell using the Gartner User Provisioning Quadrant
• Symplified Cloud Access Manager and Ping Identity: SSO systems for both internal and SaaS cloud-based applications, using federated identity
• Pentaho BI integrated with Hadoop
• IBM's BI offering plus these BI vendors that we haven't covered yet.
• Cloud9 Analytics offers packaged sales analytic applications as a service.
• Cloudscale provides capability to push analytic models to the cloud for active monitoring of real-time data streams.
• In2Clouds brings data mining and predictive modeling to the cloud for sales, marketing, customer and risk analytics.
• Panorama whose PowerApps product brings an OLAP engine to the cloud.
• Sonoa is an established provider of cloud computing gateways who has recently entered into the field of analytics and decision support with Sonoa Analytics.
• Teradata with Teradata Enterprise Analytics Cloud virtualizing Teradata Express with Amazon’s PaaS environment.
• SkyTap Cloud-based IT labs
• Monitis: Cloud Monitoring

See also:

• 85 Cloud Computing Vendors Shaping the Emerging Cloud
• The Top 150 Players in Cloud Computing: SYS-CON's Cloud Computing Journal Expands Again Its List of Most Active Players in the Cloud Ecosystem
• The Top 11 Open Source Resources for Cloud Computing
• The Application Lifecycle Cloud Vendors by Geva Perry

We are paying close attention to the SaaS offerings within the Sales Configuration Software space. Here's Gartner's Q3, 2009 view of the Sales Configuration software market.

We also recommend paying close attention to the next generation business intelligence space and to the WAN optimization space too.

Also, here is one more way to save money, albeit not-cloud, if you are paying for Oracle's expensive database licenses.