Commentary: Yes, governments should open source their custom code. But more than that is needed.
For Drupal (and Acquia) founder Dries Buytaert, “the default [in government] should be ‘developed with public money, make it public code.'” That is, if a government is paying for software to be created, that software should be available under an open source license. While he acknowledged there might be exceptions (e.g., for military applications, as I’ve called out), his suggestion makes sense.
Years ago I argued that government mandates of open source made no sense. I still feel that way. Governments (and enterprises) should use whatever software best enables them to get work done. Increasingly, that software will be open source. But when good open source alternatives don’t yet exist, it makes no sense to mandate the use of suboptimal software.
But software that governments create? There’s