Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.