diff --git a/keyboards/planck/keymaps/eosti/config.h b/keyboards/planck/keymaps/eosti/config.h
new file mode 100644
index 000000000..54813bf06
--- /dev/null
+++ b/keyboards/planck/keymaps/eosti/config.h
@@ -0,0 +1,55 @@
+/* Copyright 2020 Reid Sox-Harris
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+#pragma once
+
+#ifdef AUDIO_ENABLE
+ #define STARTUP_SONG SONG(PLANCK_SOUND)
+ // #define STARTUP_SONG SONG(NO_SOUND)
+
+ #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
+ SONG(COLEMAK_SOUND), \
+ SONG(DVORAK_SOUND) \
+ }
+#endif
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+ - MIDI notes can be sent when in Music mode is on
+*/
+
+// #define MIDI_BASIC
+
+/* enable advanced MIDI features:
+ - MIDI notes can be added to the keymap
+ - Octave shift and transpose
+ - Virtual sustain, portamento, and modulation wheel
+ - etc.
+*/
+#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+// Most tactile encoders have detents every 4 stages
+ #define ENCODER_RESOLUTION 4
+
diff --git a/keyboards/planck/keymaps/eosti/keymap.c b/keyboards/planck/keymaps/eosti/keymap.c
new file mode 100644
index 000000000..3f1c750cf
--- /dev/null
+++ b/keyboards/planck/keymaps/eosti/keymap.c
@@ -0,0 +1,122 @@
+/* Copyright 2020 Reid Sox-Harris
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+#include QMK_KEYBOARD_H
+#include "muse.h"
+
+enum planck_layers {
+ _QWERTY,
+ _GAME,
+ _UPPER,
+ _LOWER,
+ _UTILS
+};
+
+enum planck_keycodes {
+ TMUX_WN = SAFE_RANGE,
+ TMUX_WL
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case TMUX_WN: // Moves to the next tmux window
+ if (record->event.pressed) {
+ SEND_STRING(SS_LCTRL("a") "n");
+ }
+ break;
+
+ case TMUX_WL: // Moves to the last tmux window
+ if (record->event.pressed) {
+ SEND_STRING(SS_LCTRL("a") "n");
+ }
+ break;
+ }
+ return true;
+};
+
+#define UPPER MO(_UPPER)
+#define LOWER MO(_LOWER)
+#define UTILS MO(_UTILS)
+#define GAME TG(_GAME)
+
+#define WM_R LCTL(KC_RGHT) // Moves the MacOS WM window to the right
+#define WM_L LCTL(KC_LEFT) // ...and to the left
+#define WM_MC LCTL(KC_UP) // Opens MacOS Mission Control
+#define WEB_R LGUI(KC_RCBR) // Move one tab to the right, works on Firefox, Chrome
+#define WEB_L LGUI(KC_LCBR) // ...and to the left
+#define TMUX_U RALT(KC_UP) // Changes focus in tmux, requires a keybinding in tmux.conf
+#define TMUX_D RALT(KC_DOWN)
+#define TMUX_R RALT(KC_RGHT)
+#define TMUX_L RALT(KC_LEFT)
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_QWERTY] = LAYOUT_planck_grid(
+ // ┌────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┐
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_MINS,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_BSPC,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ KC_NO, KC_NO, KC_LCTL, KC_LGUI, UPPER, KC_ENT, KC_SPC, LOWER, KC_RALT, KC_VOLU, KC_VOLD, KC_MUTE
+ // └────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┘
+ ),
+ [_GAME] = LAYOUT_planck_grid(
+ // ┌────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┐
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, _______, KC_SPC, KC_ENT, _______, _______, _______, _______, _______
+ // └────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┘
+ ),
+ [_UPPER] = LAYOUT_planck_grid(
+ // ┌────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┐
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_EQL,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, WEB_L, WEB_R, WM_MC, WM_L, WM_R, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, KC_PGUP, KC_BSLS,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, KC_NO, KC_LABK, KC_LBRC, KC_LPRN, KC_LCBR, KC_RCBR, KC_RPRN, KC_RBRC, KC_RABK, KC_PGDN, _______,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, UPPER, _______, _______, UTILS, _______, KC_MPRV, KC_MPLY, KC_MNXT
+ // └────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┘
+ ),
+ [_LOWER] = LAYOUT_planck_grid(
+ // ┌────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┐
+ KC_TILD, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_PLUS,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, TMUX_WL, TMUX_WN, KC_NO, KC_NO, KC_NO, TMUX_L, TMUX_D, TMUX_U, TMUX_R, KC_NO, KC_PIPE,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, KC_NO, _______, _______, _______, _______, _______, _______, _______, _______, KC_NO, KC_DEL,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, UTILS, _______, _______, LOWER, _______, _______, _______, _______
+ // └────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┘
+ ),
+ [_UTILS] = LAYOUT_planck_grid(
+ // ┌────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┬────────┐
+ KC_CAPS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ RGB_TOG, RGB_MOD, RGB_HUI, RGB_SAI, RGB_VAI, RGB_SPI, KC_NO, KC_INS, KC_HOME, AU_ON, KC_NO, GAME,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ KC_NO, RGB_RMOD,RGB_HUD, RGB_SAD, RGB_VAD, RGB_SPD, KC_SLEP, KC_DEL, KC_END, AU_OFF, KC_NO, RESET,
+ // ├────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┼────────┤
+ _______, _______, _______, _______, UTILS, _______, _______, UTILS, _______, _______, _______, _______
+ // └────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┴────────┘
+ )
+};
diff --git a/keyboards/planck/keymaps/eosti/readme.md b/keyboards/planck/keymaps/eosti/readme.md
new file mode 100644
index 000000000..eb775c52c
--- /dev/null
+++ b/keyboards/planck/keymaps/eosti/readme.md
@@ -0,0 +1,9 @@
+# eosti's Planck (rev6) Keymap
+## Features
+* QWERTY main layout
+* Gaming sublayer that switches space and enter for ease of WASDing
+* Common programming enclosers {([<>])} easily accessable
+* Vim-style HJKL arrow navigation
+* tmux keybindings for easy navigation
+* Plays well with my Iris Rev.3 keymap for ease of switching
+* I like it
diff --git a/keyboards/planck/keymaps/eosti/rules.mk b/keyboards/planck/keymaps/eosti/rules.mk
new file mode 100644
index 000000000..dcf16bef3
--- /dev/null
+++ b/keyboards/planck/keymaps/eosti/rules.mk
@@ -0,0 +1 @@
+SRC += muse.c