Flickr the most loved photo sharing site now has released new feature called App Garden. Using this service any Flickr user can create applications using Flickr API. You can also find and download many useful Flickr applications developed by other Flickr users in this site. So now anyone can develop application to present Flickr public content to others in impressing and new way as they like.
Any developer can showcase their creation in App Garden to let other Flickr users know about it. For creating an application using Flickr API you need to request for an API key. There is an option to get a commercial or non-commercial API key to include it in your application.
Once you have got your API key you can proceed developing your application using Flickr API. You must follow Flickr community Guidelines, API terms and conditions and Yahoo! terms of services to develop your application.