FileFormat.Info badge The idea and original version came from FileFormat.Info.

Hosting

Google App Engine badge Hosting for the main website and the Go, Java & Python engines is provided by Google AppEngine ( Console | Docs | JavaDoc ).
CloudFoundry badge The JavaScript engine is hosted at CloudFoundry.
AppHarbor badge The .Net engine is hosted at AppHarbor ( Console | Support KB ).
dotCloud badge The Perl engine is hosted at dotCloud ( Dashboard ).
PHPFog badge The PHP engine is hosted at PHPFog ( Console ).
Heroku badge The Ruby engine is hosted by Heroku ( Console | DevCenter ).

Services

Disqus badge Comments are powered by Disqus.
Wufoo badge Contact page is powered by Wufoo.
AddThis badge Sharing icons are powered by AddThis.
Google badge Tracking is powered by Google Analytics.
NodePing badge System status tracking is by NodePing.
Pinboard.in badge Links are from bookmarks on Pinboard (bookmarks tagged regex).

Design & Graphics

Twitter badge The design for RegexPlanet is the Bootstrap template from Twitter.
WikiMedia Commons I took the RegexPlanet favicon from WikiMedia Commons.
Tango Some icons are from the Tango Desktop Project.
fugue logo Some icons are from fugue by Yusuke Kamiyamane

Coding

Java badge The website is written in Java (vendor: Google Inc., version: 1.6.0, J2SE JavaDoc, J2EE JavaDoc, ).
UrlRewriteFilter badge I use UrlRewriteFilter to make nice URLs despite AppEngine/Jetty limitations.
Apache Feather Commons Lang (JavaDoc) and Commons Codec (JavaDoc) from the Apache Software Foundation
Google logo Guava (JavaDoc) utility library from Google
jQuery logo jQuery (Docs)
github logo Source code hosting from GitHub
Powered by Jetty Behind the scenes, AppEngine uses the Jetty WebServer.
Node.js The JavaScript engine is run on a server (not in your browser) via Node.js (Docs).
Wordpress badge The terms of service is from WordPress.