GrayBits is design and development consultancy dedicated to building user-friendly backend interfaces and implementing designs with accuracy. We love Rails but don't shy away from a fun project on another platform.

Checkout out some of our projects and say!


Branimir (Brana) Vasilic
Founder and President

Brana has a Ph.D. in Physics and a few decades of experience programming in various languages. He's been doing Rails development since 2008 and has a passion for good design and usability.

Rahul S. Shinde

Rahul is a recent graduate of Maryland Institute College of Art where he received a BFA in Graphic Design. He has been designing and implementing websites since 2014.


is a content management engine that is the basis for most of our websites. While fully-featured right out of the box, the engine also provides a framework for building interfaces tailored to the unique needs of each client.
is an e-commerce engine integrated into GrayMatter. E-commerce sites often require customized store, cart and checkout behavior, and GreenMatter gives us the capability to produce results that accurately reflect the design and functionality our clients need.
Rasters is our project management tool. Built with simplicity and ease of use in mind it helps us keep our projects organized.
Orbital Mechanics
Check out our space related side project, an orbital mechanics simulator. You can explore orbital elements or try a simple rocket launch simulator. You'll need a more recent computer and a good connection since the site is a bit resource and bandwidth intensive.