diff --git a/dash/Dash.dashsync/Preferences.plist b/dash/Dash.dashsync/Preferences.plist
index ae9d868..6d5e200 100644
--- a/dash/Dash.dashsync/Preferences.plist
+++ b/dash/Dash.dashsync/Preferences.plist
@@ -329,7 +329,7 @@
 			<key>Kubernetes</key>
 			<dict>
 				<key>date</key>
-				<date>2019-05-21T12:12:34Z</date>
+				<date>2019-06-22T13:06:26Z</date>
 				<key>entry</key>
 				<dict>
 					<key>aliases</key>
@@ -375,6 +375,31 @@
 					<string>React</string>
 				</dict>
 			</dict>
+			<key>Seaborn</key>
+			<dict>
+				<key>date</key>
+				<date>2019-06-22T13:28:04Z</date>
+				<key>entry</key>
+				<dict>
+					<key>aliases</key>
+					<array>
+						<string>Seaborn Python</string>
+						<string>Python visualization library</string>
+						<string>matplotlib based</string>
+						<string>sns</string>
+					</array>
+					<key>authorLinkHref</key>
+					<string>https://github.com/Kapeli/Dash-User-Contributions/tree/master/docsets/Seaborn#readme</string>
+					<key>authorLinkText</key>
+					<string>Thomas Fan and Peixian Wang</string>
+					<key>name</key>
+					<string>Seaborn</string>
+					<key>platform</key>
+					<string>usercontribSeaborn</string>
+					<key>uniqueIdentifier</key>
+					<string>Seaborn</string>
+				</dict>
+			</dict>
 		</dict>
 		<key>uninstalled</key>
 		<dict/>
@@ -397,7 +422,7 @@
 			<key>http://kapeli.com/feeds/AngularJS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T13:55:04Z</date>
+				<date>2019-07-04T11:30:54Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Bash.xml</key>
 			<dict>
@@ -412,27 +437,27 @@
 			<key>http://kapeli.com/feeds/CSS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:50:10Z</date>
+				<date>2019-07-04T11:32:57Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/D3JS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:21:00Z</date>
+				<date>2019-07-04T11:32:05Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Docker.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-07-12T06:48:49Z</date>
+				<date>2019-07-04T11:32:13Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/EmberJS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-12-01T02:43:04Z</date>
+				<date>2019-07-04T11:31:22Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Font_Awesome.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:30:36Z</date>
+				<date>2019-07-04T11:30:55Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Go.xml</key>
 			<dict>
@@ -442,27 +467,27 @@
 			<key>http://kapeli.com/feeds/Gradle_DSL.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-08-04T02:10:34Z</date>
+				<date>2019-07-04T11:31:42Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Gradle_Groovy_API.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-08-04T02:07:28Z</date>
+				<date>2019-07-04T11:32:42Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Gradle_Java_API.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-08-04T02:07:10Z</date>
+				<date>2019-07-04T11:31:53Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Gradle_User_Guide.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-08-04T02:10:12Z</date>
+				<date>2019-07-04T11:31:22Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/HTML.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2017-04-09T03:57:10Z</date>
+				<date>2019-07-04T11:32:38Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/JavaScript.xml</key>
 			<dict>
@@ -472,7 +497,7 @@
 			<key>http://kapeli.com/feeds/Java_EE6.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:36:33Z</date>
+				<date>2019-07-04T11:32:20Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Java_EE7.xml</key>
 			<dict>
@@ -487,32 +512,37 @@
 			<key>http://kapeli.com/feeds/Less.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T13:58:20Z</date>
+				<date>2019-07-04T11:31:47Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Lo-Dash.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-08-16T02:56:33Z</date>
+				<date>2019-07-04T11:32:16Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Man_Pages.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T13:58:21Z</date>
+				<date>2019-07-04T11:32:56Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Markdown.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:46:57Z</date>
+				<date>2019-07-04T11:31:24Z</date>
+			</dict>
+			<key>http://kapeli.com/feeds/MatPlotLib.xml</key>
+			<dict>
+				<key>date</key>
+				<date>2019-06-22T13:07:14Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/MomentJS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T13:58:29Z</date>
+				<date>2019-07-04T11:31:26Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/MongoDB.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:47:11Z</date>
+				<date>2019-07-04T11:32:32Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/MySQL.xml</key>
 			<dict>
@@ -522,12 +552,22 @@
 			<key>http://kapeli.com/feeds/Nginx.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:27:30Z</date>
+				<date>2019-07-04T11:32:11Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/NodeJS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:46:57Z</date>
+				<date>2019-07-04T11:32:43Z</date>
+			</dict>
+			<key>http://kapeli.com/feeds/NumPy.xml</key>
+			<dict>
+				<key>date</key>
+				<date>2019-06-22T13:05:50Z</date>
+			</dict>
+			<key>http://kapeli.com/feeds/Pandas.xml</key>
+			<dict>
+				<key>date</key>
+				<date>2019-06-22T13:05:58Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/PostgreSQL.xml</key>
 			<dict>
@@ -552,7 +592,7 @@
 			<key>http://kapeli.com/feeds/Ruby_on_Rails_4.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T15:08:32Z</date>
+				<date>2019-07-04T11:32:52Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Ruby_on_Rails_5.xml</key>
 			<dict>
@@ -562,37 +602,37 @@
 			<key>http://kapeli.com/feeds/SQLite.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T15:07:20Z</date>
+				<date>2019-07-04T11:32:52Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Sass.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:27:31Z</date>
+				<date>2019-07-04T11:32:13Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/Swift.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2019-05-21T12:13:18Z</date>
+				<date>2019-07-04T11:32:46Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/UnderscoreJS.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:46:55Z</date>
+				<date>2019-07-04T11:32:38Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/jQuery.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T15:04:07Z</date>
+				<date>2019-07-04T11:32:36Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/jQuery_Mobile.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T14:50:44Z</date>
+				<date>2019-07-04T11:32:09Z</date>
 			</dict>
 			<key>http://kapeli.com/feeds/jQuery_UI.xml</key>
 			<dict>
 				<key>date</key>
-				<date>2016-02-29T15:19:42Z</date>
+				<date>2019-07-04T11:31:43Z</date>
 			</dict>
 		</dict>
 		<key>uninstalled</key>