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FogBugz Issue Tracker 2

a more recent version of the integration with FogBugz issue tracker.

RunAs

Adds the ability to run builds in sandboxes, under different user accounts (requires TeamCity 6.5.3).

JetBrains Hub

- provides integration with JetBrains Hub, allowing for single sign-on (SSO) and automatic update of user details from Hub in TeamCity.

AWS CodePipeline

makes a TeamCity build a part of an AWS CodePipeline stage.

OctopusPuppet

*What* Provides a way to visualize, orchestrate differential deployments in Octopus.

rest-runner-teamcity-plugin

TeamCity build runner plugin for executing REST call and analyzing the response.

Flowdock custom notifier

A custom TeamCity notifier that sends messages to Flowdock on build events.

Bazaar

see also details in the issue.

Buildron

A radiator in a game-like design.