We started using Vagrant last year in 2014 mainly because we find it really good for managing virtual machines and also for provisioning the platforms. Most of the developers in our company use fedora, but some also use Ubuntu and Windows too.
If you ask any Drupal developer and site builder to list their top favorite module then I am sure Views will be surely in their list. It is such an amazing module that I don't think any site is built without using this module and it should probably be listed in Drupal hall of fame of modules.
Do you love working on console without any graphical environment or any sort of GUI? If yes then read further. At sparxsys we work mostly on Linux based operating system like Fedora, Ubuntu and CentOS. No matter what the O.S.
When we started this company 5 years back in 2010, we were working only in Drupal, over the years we have developed a good competency on not just Drupal but various other open source technologies.
We are proud to announce that we recently got selected by Cabinet Secretariat office to maintain the portal for Government Performance Management Peer Assisted Learning, better known as GO-PEM-PAL. Their current website can be checked at http://gopempal.org/.
JIRA is indeed one of the best issue tracker in the market. The best thing about this tool which I like is the customizations that you can do in it that too managed from the UI itself.
JIRA comes with an in built feature to change the colors of various elements, you can also upload your own logo on top and use the colors that are standard in your organization. Though sometimes changing the colors might not be sufficient.
Omega 4 is a great theme for creating amazing responsive site in Drupal. There are lot of improvements in Omega 4 over Omega 3 but it is a bit difficult to work on Omega 4, which is actually for a good reason as it brings lot of flexibility.