diff --git a/README.md b/README.md
index d9c0158..3130df3 100644
--- a/README.md
+++ b/README.md
@@ -5,17 +5,18 @@ The keyboard heatmap shows the distribution of characters of a text while you're
 Currently support keyboard layouts:
 - ASSET
 - CARPALX_QFMLWY
-- QWERTY
+- COLEMAK
+- COLEMAK MOD-DH
 - DVORAK
 - DVORAK PROGRAMMER
-- COLEMAK
+- ERGODOX COLEMAK/DVORAK/QWERTY
+- HALMAK
 - LIIGOL
-- ERGODOX COLEMAK/DVORAK/QUERY
 - MINIMAK 4/8/12 K
 - NORMAN
+- QWERTY
 - WORKMAN
 
-
 **Contributions are very welcome!**
 
 ## How to add your own layout
@@ -31,10 +32,14 @@ I wrote an article about [how to add your own keyboard layout to the keyboard he
 - Added DVORAK Layout
 - Added ERGODOX DVORAK Layout 
 - Added LIIGOL Layout
+- Added COLEMAK MOD-DH Layout
+- Added Halmak Layout
 
 ## Contributions
 - Zeff Houssney contributed the DVORAK background image and the layout's coordinates
 - Liigo Zhuang contributed the LIIGOL layout design, background image and the layout's coordinates 
+- Prashanth K S contributed the COLEMAK MOD-DH and HALMAK layout's background image and coordinates
+- Prashanth K S contributed the BEAKL 15, BEAKL 27, BEAKL 30, and BEAKL 27-A layout's background images and coordinates
 
 ## License
 The Keyboard Heatmap is licensed under the [MIT](http://www.opensource.org/licenses/mit-license.php "") and [Beerware](http://en.wikipedia.org/wiki/Beerware "") License.
diff --git a/app/img/BEAKL_15.png b/app/img/BEAKL_15.png
new file mode 100644
index 0000000..7ef3004
Binary files /dev/null and b/app/img/BEAKL_15.png differ
diff --git a/app/img/BEAKL_27.png b/app/img/BEAKL_27.png
new file mode 100644
index 0000000..f62b2d3
Binary files /dev/null and b/app/img/BEAKL_27.png differ
diff --git a/app/img/BEAKL_27_A.png b/app/img/BEAKL_27_A.png
new file mode 100644
index 0000000..a4f79a8
Binary files /dev/null and b/app/img/BEAKL_27_A.png differ
diff --git a/app/img/BEAKL_30.png b/app/img/BEAKL_30.png
new file mode 100644
index 0000000..d91cd59
Binary files /dev/null and b/app/img/BEAKL_30.png differ
diff --git a/app/img/COLEMAK_Mod_DH.png b/app/img/COLEMAK_Mod_DH.png
new file mode 100644
index 0000000..1f0b32e
Binary files /dev/null and b/app/img/COLEMAK_Mod_DH.png differ
diff --git a/app/img/HALMAK.png b/app/img/HALMAK.png
new file mode 100644
index 0000000..f42c3a2
Binary files /dev/null and b/app/img/HALMAK.png differ
diff --git a/app/index.html b/app/index.html
index d16f69c..a3bd0b1 100644
--- a/app/index.html
+++ b/app/index.html
@@ -67,11 +67,13 @@ <h2>Customize it</h2>
                     <option value="ASSET">Asset</option>
                     <option value="CARPALX_QFMLWY">Carpalx QFMLWY</option>
                     <option value="COLEMAK">Colemak</option>
+                    <option value="COLEMAK_Mod_DH">Colemak Mod-DH</option>
                     <option value="DVORAK">Dvorak</option>
                     <option value="DVORAK_PROGRAMMER">Dvorak Programmer</option>
                     <option value="ERGODOX_COLEMAK">ErgoDox COLEMAK</option>
                     <option value="ERGODOX_QWERTY">ErgoDox QWERTY</option>
                     <option value="ERGODOX_DVORAK">ErgoDox DVORAK</option>
+                    <option value="HALMAK">Halmak</option>
                     <option value="LIIGOL">LIIGOL Layout</option>
                     <option value="MINIMAK_4K">Minimak 4-Keys</option>
                     <option value="MINIMAK_8K">Minimak 8-Keys</option>
@@ -79,6 +81,10 @@ <h2>Customize it</h2>
                     <option value="NORMAN">Norman</option>
                     <option value="QWERTY" selected>QWERTY</option>
                     <option value="WORKMAN">Workman</option>
+                    <option value="BEAKL_15">BEAKL 15</option>
+                    <option value="BEAKL_27">BEAKL 27</option>
+                    <option value="BEAKL_27_A">BEAKL 27-A</option>
+                    <option value="BEAKL_30">BEAKL 30</option>
                 </select>
                 <!-- <div id="apply" class="button">
                     Apply customizations
diff --git a/app/keyboard-layouts.js b/app/keyboard-layouts.js
index 8dcbefa..dec88ff 100644
--- a/app/keyboard-layouts.js
+++ b/app/keyboard-layouts.js
@@ -283,6 +283,77 @@ app.LAYOUTS = {
         "?": [644, 275, 70, 275],
         " ": [500, 300]
     },
+    COLEMAK_Mod_DH: {
+        "~": [35, 120, 70, 275],
+        "`": [35, 120],
+        "1": [90, 120],
+        "!": [90, 120, 70, 275],
+        "2": [144, 120],
+        "@": [144, 120, 70, 275],
+        "3": [198, 120],
+        "#": [198, 120, 70, 275],
+        "4": [253, 120],
+        "$": [253, 120, 70, 275],
+        "5": [307, 120],
+        "%": [307, 120, 70, 275],
+        "6": [361, 120],
+        "^": [361, 120, 70, 275],
+        "7": [415, 120],
+        "&": [415, 120, 70, 275],
+        "8": [469, 120],
+        "*": [469, 120, 70, 275],
+        "9": [524, 120],
+        "(": [524, 120, 70, 275],
+        "0": [579, 120],
+        ")": [579, 120, 70, 275],
+        "-": [630, 120],
+        "_": [630, 120, 70, 275],
+        "+": [685, 120, 70, 275],
+        "=": [685, 120],
+        "Q": [115, 174],
+        "W": [169, 174],
+        "F": [224, 174],
+        "P": [278, 174],
+        "B": [332, 174],
+        "J": [386, 174],
+        "L": [440, 174],
+        "U": [494, 174],
+        "Y": [548, 174],
+        ":": [602, 174, 70, 275],
+        ";": [602, 174],
+        "[": [656, 174],
+        "{": [656, 174, 70, 275],
+        "]": [710, 174],
+        "}": [710, 174, 70, 275],
+        "\\": [764, 174],
+        "|": [764, 174, 70, 275],
+        "A": [130, 225],
+        "R": [184, 225],
+        "S": [238, 225],
+        "T": [292, 225],
+        "G": [346, 225],
+        "M": [400, 225],
+        "N": [454, 225],
+        "E": [508, 225],
+        "I": [562, 225],
+        "O": [616, 225],
+        "'": [670, 225],
+        "\"": [670, 225, 70, 275],
+        "Z": [158, 275],
+        "X": [212, 275],
+        "C": [266, 275],
+        "D": [320, 275],
+        "V": [374, 275],
+        "K": [428, 275],
+        "H": [482, 275],
+        ".": [536, 275],
+        ">": [536, 275, 70, 275],
+        ",": [590, 275],
+        "<": [590, 275, 70, 275],
+        "/": [644, 275],
+        "?": [644, 275, 70, 275],
+        " ": [500, 300]
+    },    
     CARPALX_QFMLWY: {
         "~": [35, 120, 70, 275],
         "`": [35, 120],
@@ -354,6 +425,77 @@ app.LAYOUTS = {
         "?": [644, 275, 70, 275],
         " ": [500, 300]
     },
+    HALMAK: {
+        "~": [35, 120, 70, 275],
+        "`": [35, 120],
+        "1": [90, 120],
+        "!": [90, 120, 70, 275],
+        "2": [144, 120],
+        "@": [144, 120, 70, 275],
+        "3": [198, 120],
+        "#": [198, 120, 70, 275],
+        "4": [253, 120],
+        "$": [253, 120, 70, 275],
+        "5": [307, 120],
+        "%": [307, 120, 70, 275],
+        "6": [361, 120],
+        "^": [361, 120, 70, 275],
+        "7": [415, 120],
+        "&": [415, 120, 70, 275],
+        "8": [469, 120],
+        "*": [469, 120, 70, 275],
+        "9": [524, 120],
+        "(": [524, 120, 70, 275],
+        "0": [579, 120],
+        ")": [579, 120, 70, 275],
+        "-": [630, 120],
+        "_": [630, 120, 70, 275],
+        "+": [685, 120, 70, 275],
+        "=": [685, 120],
+        "W": [115, 174],
+        "L": [169, 174],
+        "R": [224, 174],
+        "B": [278, 174],
+        "Z": [332, 174],
+        ";": [386, 174],
+        ":": [386, 174, 70, 275],
+        "Q": [440, 174],
+        "U": [494, 174],
+        "D": [548, 174],
+        "J": [602, 174],
+        "[": [656, 174],
+        "{": [656, 174, 70, 275],
+        "]": [710, 174],
+        "}": [710, 174, 70, 275],
+        "\\": [764, 174],
+        "|": [764, 174, 70, 275],
+        "S": [130, 225],
+        "H": [184, 225],
+        "N": [238, 225],
+        "T": [292, 225],
+        ",": [346, 225],
+        "<": [346, 225, 70, 275],
+        ".": [400, 225],
+        ">": [400, 225, 70, 275],
+        "A": [454, 225],
+        "E": [508, 225],
+        "O": [562, 225],
+        "I": [616, 225],
+        "'": [670, 225],
+        "\"": [670, 225, 70, 275],
+        "F": [158, 275],
+        "M": [212, 275],
+        "V": [266, 275],
+        "C": [320, 275],
+        "/": [374, 275],
+        "?": [374, 275, 70, 275],
+        "G": [428, 275],
+        "P": [482, 275],
+        "X": [536, 275],
+        "K": [590, 275],
+        "Y": [644, 275],
+        " ": [500, 300]
+    },    
     WORKMAN: {
         "~": [35, 120, 70, 275],
         "`": [35, 120],
@@ -851,6 +993,316 @@ app.LAYOUTS = {
         "?": [644, 275, 70, 275],
         " ": [500, 300]
     },
+    BEAKL_15: {
+        // number row
+        "notset": [35, 120, 70, 275],
+        "notset": [35, 120],
+        "4": [90, 120],
+        "notset": [90, 120, 70, 275],
+        "0": [144, 120],
+        "notset": [144, 120, 70, 275],
+        "1": [198, 120],
+        "notset": [198, 120, 70, 275],
+        "2": [253, 120],
+        "notset": [253, 120, 70, 275],
+        "3": [307, 120],
+        "notset": [307, 120, 70, 275],
+        "7": [361, 120],
+        "notset": [361, 120, 70, 275],
+        "6": [415, 120],
+        "notset": [415, 120, 70, 275],
+        "5": [469, 120],
+        "notset": [469, 120, 70, 275],
+        "9": [524, 120],
+        "notset": [524, 120, 70, 275],
+        "8": [579, 120],
+        "notset": [579, 120, 70, 275],
+        "notset": [630, 120],
+        "notset": [630, 120, 70, 275],
+        "notset": [685, 120, 70, 275],
+        "notset": [685, 120],
+        // qwerty row
+        "Q": [115, 174],
+        "H": [169, 174],
+        "O": [224, 174],
+        "U": [278, 174],
+        "X": [332, 174],
+        "G": [386, 174],
+        "C": [440, 174],
+        "R": [494, 174],
+        "F": [548, 174],
+        "Z": [602, 174],
+        "notset": [602, 174, 70, 275],
+        "notset": [656, 174],
+        "notset": [656, 174, 70, 275],
+        "notset": [710, 174],
+        "notset": [710, 174, 70, 275],
+        "notset": [764, 174],
+        "notset": [764, 174, 70, 275],
+        // asdf row
+        "Y": [130, 225],
+        "I": [184, 225],
+        "E": [238, 225],
+        "A": [292, 225],
+        ".": [346, 225],
+        "`": [346, 225, 70, 275],
+        "D": [400, 225],
+        "S": [454, 225],
+        "T": [508, 225],
+        "N": [562, 225],
+        "B": [616, 225],
+        "notset": [670, 225],
+        "notset": [670, 225, 70, 275],
+        "J": [158, 275],
+        "/": [212, 275],
+        "?": [212, 275, 70, 275],
+        ",": [266, 275],
+        "!": [266, 275, 70, 275],
+        "K": [320, 275],
+        "'": [374, 275],
+        "`": [374, 275, 70, 275],
+        "W": [428, 275],
+        "M": [482, 275],
+        "L": [536, 275],
+        "notset": [536, 275, 70, 275],
+        "P": [590, 275],
+        "notset": [590, 275, 70, 275],
+        "V": [644, 275],
+        "notset": [644, 275, 70, 275],
+        " ": [380, 330]
+    },
+    BEAKL_27: {
+        // number row
+        "notset": [35, 120, 70, 275],
+        "notset": [35, 120],
+        "3": [90, 120],
+        "notset": [90, 120, 70, 275],
+        "2": [144, 120],
+        "@": [144, 120, 70, 275],
+        "1": [198, 120],
+        "$": [198, 120, 70, 275],
+        "0": [253, 120],
+        "#": [253, 120, 70, 275],
+        "4": [307, 120],
+        "notset": [307, 120, 70, 275],
+        "7": [361, 120],
+        "notset": [361, 120, 70, 275],
+        "6": [415, 120],
+        "notset": [415, 120, 70, 275],
+        "5": [469, 120],
+        "notset": [469, 120, 70, 275],
+        "9": [524, 120],
+        "notset": [524, 120, 70, 275],
+        "8": [579, 120],
+        "notset": [579, 120, 70, 275],
+        "notset": [630, 120],
+        "notset": [630, 120, 70, 275],
+        "notset": [685, 120, 70, 275],
+        "notset": [685, 120],
+        // qwerty row
+        "Q": [115, 174],
+        "H": [169, 174],
+        "O": [224, 174],
+        "U": [278, 174],
+        "X": [332, 174],
+        "G": [386, 174],
+        "C": [440, 174],
+        "M": [494, 174],
+        "R": [548, 174],
+        "Z": [602, 174],
+        "notset": [602, 174, 70, 275],
+        "notset": [656, 174],
+        "notset": [656, 174, 70, 275],
+        "notset": [710, 174],
+        "notset": [710, 174, 70, 275],
+        "notset": [764, 174],
+        "notset": [764, 174, 70, 275],
+        // asdf row
+        "Y": [130, 225],
+        "I": [184, 225],
+        "E": [238, 225],
+        "A": [292, 225],
+        ".": [346, 225],
+        "`": [346, 225, 70, 275],
+        "D": [400, 225],
+        "S": [454, 225],
+        "T": [508, 225],
+        "N": [562, 225],
+        "B": [616, 225],
+        "notset": [670, 225],
+        "notset": [670, 225, 70, 275],
+        "J": [158, 275],
+        "\"": [212, 275],
+        "!": [212, 275, 70, 275],
+        ",": [266, 275],
+        "?": [266, 275, 70, 275],
+        "K": [320, 275],
+        "'": [374, 275],
+        "W": [428, 275],
+        "F": [482, 275],
+        "L": [536, 275],
+        "notset": [536, 275, 70, 275],
+        "P": [590, 275],
+        "notset": [590, 275, 70, 275],
+        "V": [644, 275],
+        "notset": [644, 275, 70, 275],
+        " ": [380, 330]
+    },
+    BEAKL_30: {
+        // number row
+        "notset": [35, 120, 70, 275],
+        "notset": [35, 120],
+        "3": [90, 120],
+        "notset": [90, 120, 70, 275],
+        "2": [144, 120],
+        "@": [144, 120, 70, 275],
+        "1": [198, 120],
+        "$": [198, 120, 70, 275],
+        "0": [253, 120],
+        "#": [253, 120, 70, 275],
+        "4": [307, 120],
+        "notset": [307, 120, 70, 275],
+        "7": [361, 120],
+        "notset": [361, 120, 70, 275],
+        "6": [415, 120],
+        "notset": [415, 120, 70, 275],
+        "5": [469, 120],
+        "notset": [469, 120, 70, 275],
+        "9": [524, 120],
+        "notset": [524, 120, 70, 275],
+        "8": [579, 120],
+        "notset": [579, 120, 70, 275],
+        "notset": [630, 120],
+        "notset": [630, 120, 70, 275],
+        "notset": [685, 120, 70, 275],
+        "notset": [685, 120],
+        // qwerty row
+        "J": [115, 174],
+        "H": [169, 174],
+        "O": [224, 174],
+        "U": [278, 174],
+        "X": [332, 174],
+        "F": [386, 174],
+        "C": [440, 174],
+        "L": [494, 174],
+        "N": [548, 174],
+        "Q": [602, 174],
+        "notset": [602, 174, 70, 275],
+        "notset": [656, 174],
+        "notset": [656, 174, 70, 275],
+        "notset": [710, 174],
+        "notset": [710, 174, 70, 275],
+        "notset": [764, 174],
+        "notset": [764, 174, 70, 275],
+        // asdf row
+        "K": [130, 225],
+        "I": [184, 225],
+        "E": [238, 225],
+        "A": [292, 225],
+        ".": [346, 225],
+        "`": [346, 225, 70, 275],
+        "D": [400, 225],
+        "S": [454, 225],
+        "T": [508, 225],
+        "R": [562, 225],
+        "P": [616, 225],
+        "notset": [670, 225],
+        "notset": [670, 225, 70, 275],
+        "Z": [158, 275],
+        "Y": [212, 275],
+        "notset": [212, 275, 70, 275],
+        "\"": [266, 275],
+        "!": [266, 275, 70, 275],
+        ",": [320, 275],
+        "?": [320, 275, 70, 275],
+        "'": [374, 275],
+        "W": [428, 275],
+        "G": [482, 275],
+        "M": [536, 275],
+        "notset": [536, 275, 70, 275],
+        "B": [590, 275],
+        "notset": [590, 275, 70, 275],
+        "V": [644, 275],
+        "notset": [644, 275, 70, 275],
+        " ": [380, 330]
+    },
+    BEAKL_27_A: {
+        // number row
+        "notset": [35, 120, 70, 275],
+        "notset": [35, 120],
+        "3": [90, 120],
+        "notset": [90, 120, 70, 275],
+        "2": [144, 120],
+        "@": [144, 120, 70, 275],
+        "1": [198, 120],
+        "$": [198, 120, 70, 275],
+        "0": [253, 120],
+        "#": [253, 120, 70, 275],
+        "4": [307, 120],
+        "notset": [307, 120, 70, 275],
+        "7": [361, 120],
+        "notset": [361, 120, 70, 275],
+        "6": [415, 120],
+        "notset": [415, 120, 70, 275],
+        "5": [469, 120],
+        "notset": [469, 120, 70, 275],
+        "9": [524, 120],
+        "notset": [524, 120, 70, 275],
+        "8": [579, 120],
+        "notset": [579, 120, 70, 275],
+        "notset": [630, 120],
+        "notset": [630, 120, 70, 275],
+        "notset": [685, 120, 70, 275],
+        "notset": [685, 120],
+        // qwerty row
+        "Q": [115, 174],
+        "Y": [169, 174],
+        "O": [224, 174],
+        "U": [278, 174],
+        "X": [332, 174],
+        "G": [386, 174],
+        "C": [440, 174],
+        "M": [494, 174],
+        "N": [548, 174],
+        "V": [602, 174],
+        "notset": [602, 174, 70, 275],
+        "notset": [656, 174],
+        "notset": [656, 174, 70, 275],
+        "notset": [710, 174],
+        "notset": [710, 174, 70, 275],
+        "notset": [764, 174],
+        "notset": [764, 174, 70, 275],
+        // asdf row
+        "H": [130, 225],
+        "I": [184, 225],
+        "E": [238, 225],
+        "A": [292, 225],
+        ".": [346, 225],
+        "`": [346, 225, 70, 275],
+        "D": [400, 225],
+        "S": [454, 225],
+        "T": [508, 225],
+        "R": [562, 225],
+        "P": [616, 225],
+        "notset": [670, 225],
+        "notset": [670, 225, 70, 275],
+        "J": [158, 275],
+        "\"": [212, 275],
+        "!": [212, 275, 70, 275],
+        ",": [266, 275],
+        "?": [266, 275, 70, 275],
+        "K": [320, 275],
+        "'": [374, 275],
+        "W": [428, 275],
+        "F": [482, 275],
+        "L": [536, 275],
+        "notset": [536, 275, 70, 275],
+        "B": [590, 275],
+        "notset": [590, 275, 70, 275],
+        "Z": [644, 275],
+        "notset": [644, 275, 70, 275],
+        " ": [380, 330]
+    },
     ERGODOX_COLEMAK: {
         // 5 row (top) /////////
         "`": [35, 70],