Inspired by the general crappiness of trying to get EsounD (whose documentation is extremely unimpressive) to do what I want, i.e. work. supplied the fourth slogan.

Open Source. Thousands of half-assed solutions at your fingertips!
Open Source. Where “good enough” rules.
Open Source. We’ll complete it tomorrow.
Open Source. You don’t like it? Write your own!
Open Source. Some assembly required.

Add your own in the comments section!