
Beanstalk can post a new message to a Basecamp project with each commit, including a link back to the changeset.

Campfire is a web-based group chat tool that lets you set up password-protected chat rooms in just seconds. On each commit, Beanstalk can post a message and link to Campfire.

FogBugz helps you make better software by tracking, prioritizing, and coordinating the thousands of small tasks a development team has to do. Associate cases with FogBugz and even alter the state of a case using tags.

Track time, log expenses, invoice clients, keep track of account receivables and revenue. Beanstalk can post a new entry into Harvest timesheets with each commit.

Sifter is a slick hosted bug and issue tracking application focused on making work less tedious.

Lighthouse means beautiful simple issue tracking. On each commit, use tags to associate or edit tickets directly from Beanstalk.

TeamSupport.com is a customer support system which is designed for both the customer service and product development teams. Beanstalk commits can be easily associated with a ticket, and a hyperlink within the TeamSupport ticket takes you directly to the code which addressed the issue.

Freckle time tracking helps you do more of what you love, and less of what you don’t. With Freckle integration, you can post a time entry to your Freckle account from Beanstalk commit messages.

Zendesk extends good help desk karma to any company looking to offer professional-grade support service with very little effort. Beanstalk can post a comment with commit details to a Zendesk ticket and change the ticket status.

Testrunnr helps you schedule, manage and run your tests, against any browser or operating system, using any set of pre-defined data. Record and report your results, then automatically deploy from Beanstalk.

HipChat helps you share text, code, and files for instant decision making.

Cornerstone is the favorite Subversion client for many developers and designers on the Mac. Whether you’re a new to version control system or an experienced Subversion user, our partnership with Cornerstone will help streamline your version control workflow with tools to easily branch, merge, and work with your Beanstalk repositories.

For many people, Git is a hard concept to grasp at first. Git Tower takes away the complexity with a smooth interface and workflow, making the Git experience more effective and enjoyable. We partnered with Tower to provide the perfect match of simplicity and enjoyment when it comes to using Git to collaborate with your team.
PixelNovel is smoothly integrated into Adobe Photoshop and features a unique user interface, letting you see all versions of your files without switching away from the Photoshop window. Since it includes built-in support for Beanstalk, getting started only takes a few minutes.

Rackspace delivers enterprise-level hosting services to businesses of all sizes and kinds around the world. Beanstalk uses Rackspace’s top notch infrastructure, network, and support team to handle growth, ensure security, and maintain stability.

Habichuelas is an iOS client for Beanstalk. It provides a set of detailed information on repositories and users, list of changed files in changesets and ability to participate in comments.

Magic Bean is an universal iPhone/iPad app for keeping track of repositories activity and deployments. You can deploy any specific commit to any environment on the go.

Beansprout is a native Android client for Beanstalk that allows you to easily manage your repositories, get notified of recent commits, and make deployments on the go.

Golden Goose for Windows Phone 7 gives you access to your Beanstalk account on the move. You can view activity within your Beanstalk account to keep up to date with your projects and your team.
By the way, we have a nice API and Web Hooks — feel free to build your own integration!