The following is a list of all PrefBar installation packages, I could still find on mirrors. They are sorted from newest to oldest. The ones with the "🖊" in front of the file name are signed by Mozilla.

âš  Please be aware, that PrefBar is no longer maintained! It is not recommend to install any of these versions!
They most probably don't work well with current versions of SeaMonkey and they won't install at all on Firefox 57 and above!

The files, available below, are provided for history reasons. PrefBar's functionality has been replaced by a list of PrefBar replacement Addons.

Name Last modified Size
🖊 prefbar-7.1.1-fx+sm.xpi 2017-Oct-01 127 KB
🖊 prefbar-7.1.0-fx+sm.xpi 2016-Aug-28 126 KB
🖊 prefbar-7.0.0-sm+fx.xpi 2015-Jun-04 129 KB
🖊 prefbar-6.5.0-sm+fx.xpi 2014-Sep-28 128 KB
🖊 prefbar-6.4.0-fx+sm.xpi 2014-May-21 127 KB
🖊 prefbar-6.3.0-sm+fx.xpi 2014-Jan-12 127 KB
🖊 prefbar-6.2.2-fx+sm.xpi 2013-Aug-21 125 KB
🖊 prefbar-6.2.1-sm+fx.xpi 2013-Jul-22 124 KB
🖊 prefbar-6.2.0-sm+fx.xpi 2012-Nov-23 124 KB
🖊 prefbar-6.1.0-fx+sm.xpi 2012-Mar-18 122 KB
🖊 prefbar-6.0.1-fx+sm.xpi 2011-Jul-28 122 KB
🖊 prefbar-5.1.1-fx+sm.xpi 2010-Jul-23 121 KB
prefbar-5.1.0-fx+sm.xpi 2010-May-04 116.5 KB
prefbar-5.1rc1.xpi 2010-Mar-27 09:36:54 115.6 KB
prefbar-5.0.2.xpi 2010-Feb-13 08:03:55 111.9 KB
prefbar-5.0.1.xpi 2010-Jan-30 01:15:06 111 KB
prefbar-5.0.xpi 2010-Jan-28 11:57:04 111.2 KB
prefbar-5.0rc1.xpi 2010-Jan-23 08:12:16 110.5 KB
prefbar-5.0a.xpi 2010-Jan-02 02:40:53 111.2 KB
prefbar-4.3.2.xpi 2009-Dec-23 04:49:42 133.9 KB
prefbar-4.3.1.xpi 2009-Dec-09 08:08:41 133.6 KB
prefbar4.3.xpi 2009-Nov-09 08:47:26 133 KB
prefbar4.2.xpi 2009-Jun-30 07:08:45 133.9 KB
prefbar4.1.1.xpi 2008-Jun-15 04:50:22 130.5 KB
prefbar4.1.1rc2.xpi 2008-Jun-02 06:17:28 130.2 KB
prefbar4.1.1rc1.xpi 2008-May-24 02:16:37 129.2 KB
prefbar4.1.2.xpi 2008-Jul-29 10:26:45 129.8 KB
prefbar4.1.xpi 2008-May-04 04:30:14 127.5 KB
prefbar4.1rc1.xpi 2008-Apr-13 02:16:12 127.4 KB
prefbar4.1beta2.xpi 2008-Mar-31 06:21:40 127.4 KB
prefbar4.1beta.xpi 2008-Mar-24 09:34:29 127 KB
prefbar4.0.xpi 2007-Sep-10 09:55:15 122.6 KB
prefbar3.4.1.xpi 2007-Jul-09 10:41:41 116.4 KB
prefbar3.4.1beta.xpi 2007-Jun-15 09:12:19 116.4 KB
prefbar3.4.xpi 2007-May-14 11:01:04 115.4 KB
prefbar3.4rc1.xpi 2007-May-09 08:21:18 115.7 KB
prefbar3.4beta3.xpi 2007-Apr-10 14:15:10 128.7 KB
prefbar3.4beta2.xpi 2007-Apr-08 04:04:13 129.2 KB
prefbar3.4beta.xpi 2007-Mar-18 15:01:03 118.1 KB
prefbar3.3.4.xpi 2006-Nov-30 03:09:11 116.9 KB
prefbar3.3.3.xpi 2006-Nov-02 12:00:29 116 KB
prefbar3.3.2.xpi 2006-Nov-01 05:52:04 116 KB
prefbar3.3.1.xpi 2006-May-30 07:35:54 123.6 KB
prefbar3.3.xpi 2006-Apr-11 09:02:44 123.2 KB
prefbar3.3beta3.xpi 2006-Jan-29 06:50:46 116.9 KB
prefbar3.3beta2.xpi 2006-Jan-12 11:23:38 116 KB
prefbar3.3beta.xpi 2006-Jan-11 11:11:40 115.2 KB
prefbar3.2.2.xpi 2005-Dec-28 11:19:22 120.3 KB
prefbar3.2.1.xpi 2005-Sep-11 07:10:55 110.3 KB
prefbar3.2.xpi 2005-Jul-31 07:18:03 107.6 KB
prefbar3.1.xpi 2005-Feb-08 08:49:15 166.3 KB
prefbar3.0.xpi 2004-Dec-26 06:38:27 104.4 KB
prefbar2.3.1.xpi 2004-Oct-03 05:38:39 96.3 KB
prefbar2.3.xpi 2004-Jul-26 08:47:47 95.1 KB
prefbar2.3rc3.xpi 2004-Jul-11 07:45:51 95.5 KB
prefbar2.3rc2.xpi 2004-Jul-04 05:42:19 95.6 KB
prefbar2.3rc1.xpi 2004-Jun-27 08:41:20 94.4 KB
prefbar2.3a2.xpi 2004-Jun-13 08:54:03 89.8 KB
prefbar2.3a.xpi 2004-May-26 08:38:25 89.5 KB
prefbar0.2.3a.xpi 2003-Aug-05 07:50:13 84.3 KB
prefbar-1.0.xpi 2002-Jun-06 3.3 KB
prefbar-0.4.xpi 2001-Dec-02 3.3 KB