| Package Name | License |
| bsdiff | BSD Protection License |
| bspatch | BSD Protection License |
| bzip2 | BSD license |
| dtoa | BSD license |
| hunspell | MPL 1.1/GPL 2.0/LGPL |
| ICU | ICU license |
| JSCRE | BSD license |
| libjpeg | libjpeg license |
| libpng | libpng license |
| libpng | libpng license |
| libxml | MIT license |
| libxslt | MIT license |
| LZMA SDK | Special exception license |
| modp_b64 | BSD license |
| Mozilla interface to Java Plugin APIs | MPL 1.1/GPL 2.0/LGPL |
| npapi | MPL 1.1/GPL 2.0/LGPL |
| nspr | MPL 1.1/GPL 2.0/LGPL |
| nss | MPL 1.1/GPL 2.0/LGPL |
| Pthreads for win32 | LGPL 2.1 |
| sqlite | Public domain |
| tlslite | Public domain |
| V8 assembler | BSD license |
| WebKit | BSD/LGPL 2/LGPL 2.1 |
| WTL | Microsoft Permissive License |
| zlib | zlib license |