diff --git a/README.md b/README.md
index 8f3e619..3512776 100755
--- a/README.md
+++ b/README.md
@@ -1864,7 +1864,6 @@ algorithms, knowledgebase and AI technology.
 * [Smartsheet](https://www.smartsheet.com)
 * [Stackfield](https://www.stackfield.com)
 * [Stormboard](https://www.stormboard.com)
-* [Sync.in](http://sync.in)
 * [SyncSpace](http://infinitekind.com/syncspace)
 * [Taiga](https://taiga.io)
 * [TargetProcess](https://www.targetprocess.com)
@@ -1875,7 +1874,6 @@ algorithms, knowledgebase and AI technology.
 * [Team Pad](https://www.team-pad.com)
 * [TeamWork](https://www.teamwork.com)
 * [TeamWorklive](http://www.teamworklive.com)
-* [TitanPad](https://titanpad.com)
 * [~~Todoyu~~](http://www.todoyu.com) - Original project discontinued - now maintained at [Todoyu-PHP7.x](https://github.com/AlexEdimensionz/Todoyu-PHP7.x)
 * [Transparent Business](http://transparentbusiness.com)
 * [Trello](https://trello.com)
@@ -1888,7 +1886,6 @@ algorithms, knowledgebase and AI technology.
 * [Wekan](https://wekan.io)
 * [wePaste](http://www.wepaste.com)
 * [Where.team](https://www.where.team)
-* [Whiteboard](http://whiteboard.co)
 * [Whiteboard Fox](https://whiteboardfox.com)
 * [Worknoard](http://www.workboard.com)
 * [Workfront](https://www.workfront.com)
@@ -1902,13 +1899,10 @@ algorithms, knowledgebase and AI technology.
 * [Adobe Connect](http://www.adobe.com/products/adobeconnect.html)
 * [AnyDesk](http://anydesk.com/remote-desktop)
 * [AnyMeeting](https://www.anymeeting.com)
-* [Auralink](http://auralink.com)
-* [Babblebay](http://www.babblebay.com)
 * [BeamYourScreen](http://www.beamyourscreen.com)
 * [Blackboard](http://www.blackboard.com/online-collaborative-learning/index.aspx)
 * [blind](https://us.teamblind.com)
 * [Campfire](https://www.campfirenow.com)
-* [clearvale](https://www.clearvale.com/marketing/en)
 * [Digital Samba](http://www.digitalsamba.com)
 * [Discourse](http://www.discourse.org)
 * [eBLVD](https://www.eblvd.com)
@@ -1924,7 +1918,6 @@ algorithms, knowledgebase and AI technology.
 * [Glance](http://ww2.glance.net)
 * [GoToMeeting](http://www.gotomeeting.com)
 * [Highfive](https://highfive.com)
-* [HipChat](https://www.hipchat.com)
 * [Icq](https://icq.com)
 * [iLinc](http://www.ilinc.com)
 * [Infinite](http://www.infiniteconferencing.com)