When you really need tools, couldn't survive without them and couldn't buy some 3rd-party so then you have to create some internal piece of software. And it's n

When you really need tools, couldn't survive without them and couldn't buy some 3rd-party so then you have to create some internal piece of software. And it's not a matter of time or resources, just accurately calculate will it help or not and decide. Of course internal software MUST be developed using the same quality standards as your frontend program (VCS/tests/code review/etc).