Most "awesome" lists are link dumps. This one is annotated and verified: every entry says what it is and why it belongs, URLs are checked, quotes are verbatim, and dead/abandoned tools are pruned (not ...
Imagine you're driving on a highway (your program is running). Suddenly, a tyre gets punctured (an exception occurs). If you don't have a spare tyre (no exception handling), you're stuck on the road ...