Easy for version controlling, Faster and efficient when working through commandline. Offers 'aliases' which makes it even better to work in commandline. GitHub
An easy tool to track the progress of your website with just a couple of code embedded in your site. Tops any other tools when it comes to give the Insights of your site and helps in building ads, customers and traffic. Google Analytics
So much relief as you can track each and every issues, bugs, dev project and maintenance and a time machine when it comes to do that less interesting timesheet or daily status. Its a rescuer. JIRA