diff --git a/README.md b/README.md
index fae224c..e33cd86 100755
--- a/README.md
+++ b/README.md
@@ -819,7 +819,6 @@ Thanks to our main contributors
 * [Gbimg.org](http://gbimg.org)
 * [Ghiro](http://www.getghiro.org)
 * [ImpulseAdventure](http://www.impulseadventure.com/photo/jpeg-snoop.html)
-* [Izitru](http://www.izitru.com)
 * [Jeffreys Image Metadata Viewer](http://exif.regex.info/)
 * [JPEGsnoop](https://sourceforge.net/projects/jpegsnoop)
 * [Metapicz](http://metapicz.com/)
@@ -1221,7 +1220,6 @@ Thanks to our main contributors
 * [Bridge.Suumitsu](https://bridge.suumitsu.eu)
 * [ChangeDetect](http://www.changedetect.com)
 * [ChangeDetection](http://www.changedetection.com)
-* [CurioStudio](http://www.curiostudio.com)
 * [Deltafeed](http://bitreading.com/deltafeed)
 * [DiggReader](http://digg.com/login?next=%2Freader)
 * [Feed43](http://feed43.com)
@@ -1306,7 +1304,6 @@ Thanks to our main contributors
 * [Thinkery](http://thinkery.me)
 * [Trackplanet](https://trackpanel.net)
 * [Wepware](http://www.wepware.com)
-* [Wonderpage](http://www.wonderpage.com)
 * [xmarks](http://www.xmarks.com)
 * [Zotero](http://www.zotero.org)
 
@@ -1536,7 +1533,6 @@ Thanks to our main contributors
 * [Cacoo](https://cacoo.com)
 * [Canva](https://www.canva.com)
 * [chartblocks](http://www.chartblocks.com)
-* [Charted](http://www.charted.co)
 * [Chartico](http://chartico.com)
 * [Chart.js](http://www.chartjs.org)
 * [Circos](http://circos.ca)