It is nice to give back to the community. Open source software is largely of better quality than closed source. Other people can freely use and distribute these tools and libraries. Writing libraries and reusable code makes you a better software craftsman.

• wee_flickr is a sinatra application which helps you pick photos for linking in blog posts. It integrates with the flickr api. It can also be used as an application for returning random images from your photostream. Learn more →
  
  
• currency_rates is a little library which syncs with the european central bank feed for up to date exchange rates. If you want a solution for up to date currency information, then this little library is for you. Learn more →
  
  
• chef is a great tool for automating server infrastructure in a cloud agnostic way. I have written a number of simple chef cookbooks which might be of use to you if you are running chef yourself. Cookbooks available at the time of writing are one for setting ubuntu server locales, an offsite backup solution cookbook and an apache2 directory deployment setup. Learn more →
  
  
• wee_cropper is a little sinatra application for cropping images. The idea is that it hooks into a javascript front end like Jcrop and accepts these coordinates and image location information via JSONP. It returns the location of the resized image. Note: Imagemagick is required on the server. Learn more →
  
  
• solon is a library for integrating with sagepay vsp server. It has been extracted from a web app using sagepay and aims to make it relatively straightforward for rails to work with sagepay. Based on Peeves. Learn more →
  
  
• wee_beastie is a rails forum engine designed to give you forum functionality for your application. Most forums are standalone applications, not this one. Learn more →
  
  
• wee_lightbox is a little plugin that makes lightbox integration to your rails application a snap. Learn more →
  
  
• integrity basecamp notifier is a plugin to the continuous integration server Integrity This allows your CI server to update Basecamp the online project collaboration tools with the status of your project builds. Learn more →
  
  
• scaffy is an opinionated scaffold generator for your rails 3 application. It operates in a similar manner to the standard scaffold generator but uses HAML for markup, fixture-less tests and a different controller layout. Supports namespaces. Learn more →
  
  
• deployment_recipiez is a collection of recipies for the deployment tool Capistrano. It adds powerful features to your applications deployment such as database push and pull, apache configuration, nginx / thin configuration and basecamp integration. A must for making your deployment suite powerful! Learn more →