There are thousands of modules on Puppet Forge. Popular modules have not only been used in production in several locations, but have also been refined by several developers. When looking for a solution to your problem, the Forge modules can be a good starting point. Puppet Labs Supported and Puppet Labs Approved modules are excellent resources on how to write both code and comments.

When you can't find a solution to your coding problem, it is often useful to search the Forge for modules that may solve similar problems. The search feature of the Forge is not a deep search, and it is actually only useful if you wish to search for names or products. This isn't a problem though, since every module on the Forge is backed by a Git repository on GitHub. If you are just looking for code-related ideas, then search on https://github.com/puppetlabs/, the Puppet Labs page on GitHub. All the Approved and Supported modules have repositories at this location. When searching on GitHub...