At least I got some output:
/Applications/pgAdmin3.app/Contents/MacOS/pgAdmin3 (architecture i386):
/System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos (compatibility version 5.0.0, current version 5.0.0)
/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
/System/Library/Frameworks/Carbon.framework/Versions/A/Carbon (compatibility version 2.0.0, current version 128.0.0)
/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 11.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.3.11)
/System/Library/Frameworks/QuickTime.framework/Versions/A/QuickTime (compatibility version 1.0.0, current version 1327.73.0)
/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_stc-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_richtext-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_aui-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_xrc-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_qa-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_html-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_adv-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_core-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu_xml-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu_net-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libxml2.2.dylib (compatibility version 10.0.0, current version 10.1.0)
/usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.3)
/usr/lib/libiconv.2.dylib (compatibility version 5.0.0, current version 5.0.0)
@executable_path/../../Contents/Frameworks/libxslt.1.dylib (compatibility version 3.0.0, current version 3.23.0)
@executable_path/../../Contents/Frameworks/libpq.5.dylib (compatibility version 5.0.0, current version 5.4.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.4.0)
/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0)
/Applications/pgAdmin3.app/Contents/MacOS/pgAdmin3 (architecture ppc):
/System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos (compatibility version 5.0.0, current version 5.0.0)
/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
/System/Library/Frameworks/Carbon.framework/Versions/A/Carbon (compatibility version 2.0.0, current version 128.0.0)
/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 11.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.3.11)
/System/Library/Frameworks/QuickTime.framework/Versions/A/QuickTime (compatibility version 1.0.0, current version 1327.73.0)
/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_stc-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_richtext-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_aui-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_xrc-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_qa-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_html-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_adv-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_macu_core-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu_xml-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu_net-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libwx_base_carbonu-2.8.0.dylib (compatibility version 9.0.0, current version 9.0.0)
@executable_path/../../Contents/Frameworks/libxml2.2.dylib (compatibility version 10.0.0, current version 10.1.0)
/usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.3)
/usr/lib/libiconv.2.dylib (compatibility version 5.0.0, current version 5.0.0)
@executable_path/../../Contents/Frameworks/libxslt.1.dylib (compatibility version 3.0.0, current version 3.23.0)
@executable_path/../../Contents/Frameworks/libpq.5.dylib (compatibility version 5.0.0, current version 5.4.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.4.0)
/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0)