Add external projects using tmk_keyboard

README.md

@@ -59,6 +59,11 @@ You can find some keyboard specific projects under `converter` and `keyboard` di
 * [Lightpad](keyboard/lightpad)             - Korean custom keypad
 * [ghost_squid](keyboard/ghost_squid/)      - [The Ghost Squid][ghost_squid] controller for [Cooler Master QuickFire XT][cmxt]
 
+### Extenal projects using tmk_keyboard
+* [ErgoDox_cub-uanic][cub-uanic]            - Split Ergonomic Keyboard [ErgoDox][ergodox_org]
+* [mcdox][mcdox_tmk]                        - [mcdox][mcdox]
+
+
 [GH_macway]:    http://geekhack.org/showwiki.php?title=Island:11930
 [GH_hhkb]:      http://geekhack.org/showwiki.php?title=Island:12047
 [GH_ps2]:       http://geekhack.org/showwiki.php?title=Island:14618
@@ -80,6 +85,10 @@ You can find some keyboard specific projects under `converter` and `keyboard` di
 [Infinity]:     https://www.massdrop.com/buy/infinity-keyboard-kit
 [ghost_squid]:  http://deskthority.net/wiki/Costar_replacement_controllers#The_Ghost_Squid
 [cmxt]:         http://gaming.coolermaster.com/en/products/keyboards/quickfirext/
+[ergodox_org]:  http://ergodox.org/
+[cub-uanic]:    https://github.com/cub-uanic/tmk_keyboard/tree/master/keyboard/ergodox
+[mcdox]:        https://github.com/DavidMcEwan/mcdox
+[mcdox_tmk]:    https://github.com/DavidMcEwan/tmk_keyboard/tree/master/keyboard/mcdox
 
 
 
@@ -284,4 +293,4 @@ Coding Style
 
 Other Keyboard Firmware Projects
 ------------------
-See [doc/other_projects.md](doc/other_projects.md).
+You can learn a lot about keyboard firmware from these. See [doc/other_projects.md](doc/other_projects.md).