We know folks from a good many places. While this may just be a list of applications that use jclouds, the good people behind these applications are valuable members of our community.
| Abiquo | Uses jclouds for OpsCode Chef integration, for AWS integration, and internally to communicate the UI with the Abiquo API | 
| Adobe | Uses jclouds to provision EC2 and vCloud infrastructure under their Enterprise PaaS | 
| Amdatu Storage | Exposes multi-cloud blob services to Amdatu tenants | 
| Apache ACE | Uses jclouds to launch nodes in Amazon EC2 | 
| Apache Karaf Cellar | Uses jclouds to provide a node discovery mechanism, it currently uses a BlobStore whiteboard/blackboard pattern and it will switch to a compute based solution soon | 
| Apache Camel | Enables interaction with cloud provider key-value engines (blobstores) and compute services | 
| Apache Whirr | Uses jclouds to as a substrate for cloud cluster provisioning | 
| Blow! | Uses jclouds for cluster deployments in the cloud | 
| Chef integration | jclouds bootstraps nodes based on chef run-lists | 
| CloudBees | Orchestrates provisioning workflows over jclouds provider APIs using Scala | 
| ClouDesire | Uses jclouds to provide multi-cloud deployments of its applications | 
| Cloudsoft | Uses jclouds to underpin Apache Brooklyn | 
| Cloudstore | Uses jclouds to enable non-technical users to run web apps on EC2, Rackspace and others | 
| CloudSwitch | Uses jclouds to extend application management to Terremark | 
| CloudTran | Uses jclouds and Apache Whirr to deploy and test CloudTran applications on GoGrid and RackSpace | 
| Dasein Cloud | Uses jclouds for Rackspace, GoGrid, Azure, and Terremark integration | 
| ElasticInbox | Uses jclouds to store email messages on blobstores such as AWS S3 and Apache Whirr to deploy ElasticInbox and Cassandra instances | 
| enStratus | Through Dasein-jclouds integration, enStratus manages more compute and blobstore providers | 
| EnterpriseDB | Uses jclouds in its DBaaS public and private cloud offering, Postgres Plus Cloud Database | 
| fluidOperations eCloudManager | Uses jclouds for monitoring and provisioning cloud services from different vendors like AWS and vCloud | 
| Funambol | Uses BlobStore to help synchronize content across multiple cloud providers or locally to disk | 
| Fuse Fabric | Uses jclouds for creating/provisioning the agents that run in the cloud | 
| GigaSpaces Cloudify | Uses jclouds to provision compute resources from multiple cloud providers for the GigaSpaces Cloudify PaaS | 
| GoGrid | Uses jclouds to test development versions of their cloud platform | 
| Gravitant cloudMatrix | Uses jclouds to access enterprise clouds such as Terremark and Savvis | 
| I N F I N I S P A N | Uses jclouds to persist the state of the grid to blobstores such as Amazon S3 | 
| Jenkins/Hudson | jclouds launches slaves for Jenkins on any supported cloud | 
| Karaf Integration | Provides managed service factories and command line support for easily creating and managing blobstore and compute as OSGi services | 
| MaestroDev | Uses jclouds to start and provision servers on public/private clouds as part of the source code to production workflow, and for building, testing or deployment | 
| Maginatics | Uses jclouds to integrate with a variety of object stores | 
| Manageacloud | Uses jclouds to orchestrate servers in different clouds | 
| Mastodon C | Uses jclouds via Pallet in order to provision carbon-neutral Hadoop services | 
| Mesosphere | Uses jclouds to provision Mesosphere clusters on both Google Compute Engine and Amazon EC2 | 
| Meteorite Hosting | Enables users to spawn BI environments across a range of cloud providers in a hassle-free way | 
| NeoLoad | Uses jclouds to manage load generators in the cloud | 
| Nimble | Uses jclouds OSGi integration to deploy Nimble OSGi container instances into public clouds including Amazon EC2, GoGrid and Rackspace | 
| Nimble Servers | Uses jclouds to provision servers on public clouds in response to user demand | 
| Ning Atlas | Uses jclouds to provision machines, databases, and loadbalancers that compose environments | 
| Omixon | Uses BlobStore for big data transfer and made Apache Whirr to provision Hadoop | 
| Pallet | Uses jclouds clojure to manage node counts and provision instances | 
| Paremus Service Fabric | Uses jclouds OSGi integration to deploy Paremus Service Fabric across public clouds including Amazon EC2, GoGrid and Rackspace | 
| PDFDATA.io | Uses Pallet with jclouds EC2 Clojure features to bootstrap PostgreSQL, Compojure, etc. | 
| Rackspace | Uses jclouds as their Rackspace Cloud SDK for Java | 
| Red Hat | Uses jclouds to deploy OpenShift Flex applications to Terremark, Rackspace, and EC2 | 
| Roboconf | Uses jclouds in target handlers for various cloud providers | 
| RunDeck integration | Uses ComputeService as a resource provider for runbook automation | 
| Salesforce | Uses jclouds to provision servers for their automation stacks | 
| SeatYourself | Uses BlobStore to persist data | 
| Uses jclouds infused Pallet to deploy their storm platform to standard and variable count of spot EC2 instances and Apache Whirr to set up test Cassandra clusters |