Nature article on open computer programs

"Our view is that we have reached the point that, with some exceptions, anything less than release of actual source code is an indefensible approach for any scientific results that depend on computation, because not releasing such code raises needless, and needlessly confusing, roadblocks to reproducibility."


Ref:
http://www.nature.com/nature/journal/v482/n7386/full/nature10836.html