There are a lot of great free icon sets available for developers. We use these icons extensively. There is obviously, no point in reinventing the wheel. Occasionally we need something that is not available, luckily we have the skills to do this.
Sometimes we can’t find what we want, the wine app used large icons to allow quick navigation from the home page. There was nothing suitable available, so we designed our own.
Recently we designed a motorcycle based site and again we needed a full icon set.
Last year we were building a database application for an ecommerce company and the software they owned used images not icons. The images below are the result.