Mozilla.org Downloads
Gecko SDK
2.0 downloadA set of XPIDL files, headers and tools to develop XPCOM components
Gecko SDK for Mac and Linux
2.0 downloadA set of XPIDL files, headers and tools to develop XPCOM components
Littlefox
2.0 downloadTry a Firefox theme that is designed for maximum screen usage
Mozilla Sunbird
0.8 downloadSunbird is a cross-platform calendar application, built upon Mozilla Toolkit
Pixelpipe Media Uploader
1.1 downloadget your content posted to your favorite social network
SeaMonkey
2.53.20 downloadAll-in-one internet suite with a browser, email, and web development tools.