QMK_UNICODE_KEYS

Add the following to your keymap.c

#include "qmk_unicode_keys.h"

Add the following to your rules.mk

UNICODEMAP_ENABLE = yes

Add the following to your config.h

#define UNICODE_SELECTED_MODES UC_WINC // UC_MAC UC_LNX

Key	Description	Win	Mac	Lnx
UK_A	a and A	✓	✓	✓
UK_B	b and B	✓	✓	✓
UK_C	c and C	✓	✓	✓
UK_D	d and D	✓	✓	✓
UK_E	e and E	✓	✓	✓
UK_F	f and F	✓	✓	✓
UK_G	g and G	✓	✓	✓
UK_H	h and H	✓	✓	✓
UK_I	i and I	✓	✓	✓
UK_J	j and J	✓	✓	✓
UK_K	k and K	✓	✓	✓
UK_L	l and L	✓	✓	✓
UK_M	m and M	✓	✓	✓
UK_N	n and N	✓	✓	✓
UK_O	o and O	✓	✓	✓
UK_P	p and P	✓	✓	✓
UK_Q	q and Q	✓	✓	✓
UK_R	r and R	✓	✓	✓
UK_S	s and S	✓	✓	✓
UK_T	t and T	✓	✓	✓
UK_U	u and U	✓	✓	✓
UK_V	v and V	✓	✓	✓
UK_W	w and W	✓	✓	✓
UK_X	x and X	✓	✓	✓
UK_Y	y and Y	✓	✓	✓
UK_Z	z and Z	✓	✓	✓
UK_TRI	ı and İ	✓	✓	✓
UK_TRO	ö and Ö	✓	✓	✓
UK_TRS	ş and Ş	✓	✓	✓
UK_TRU	ü and Ü	✓	✓	✓
UK_TRC	ç and Ç	✓	✓	✓
UK_TRG	ğ and Ğ	✓	✓	✓
UK_TRAA	â and Â	✓	✓	✓
UK_1	1 and !	✓	✓	✓
UK_2	2 and @	✓	✓	✓
UK_3	3 and #	✓	✓	✓
UK_4	4 and $	✓	✓	✓
UK_5	5 and %	✓	✓	✓
UK_6	6 and ^	✓	✓	✓
UK_7	7 and &	✓	✓	✓
UK_8	8 and *	✓	✓	✓
UK_9	9 and (	✓	✓	✓
UK_0	0 and )	✓	✓	✓
UK_EXLM	!	✓	✓	✓
UK_DQT	"	✓	✓	✓
UK_HASH	#	✓	✓	✓
UK_DLR	$	✓	✓	✓
UK_PERC	%	✓	✓	✓
UK_AMPR	&	✓	✓	✓
UK_QUOT	'	✓	✓	✓
UK_LPRN	(	✓	✓	✓
UK_RPRN	)	✓	✓	✓
UK_ASTR	*	✓	✓	✓
UK_PLUS	+	✓	✓	✓
UK_COMMA	,	✓	✓	✓
UK_MINUS	-	✓	✓	✓
UK_DOT	.	✓	✓	✓
UK_SLSH	/	✓	✓	✓
UK_COLN	:	✓	✓	✓
UK_SCLN	;	✓	✓	✓
UK_LT	<	✓	✓	✓
UK_EQL	=	✓	✓	✓
UK_GT	>	✓	✓	✓
UK_QUES	?	✓	✓	✓
UK_AT	@	✓	✓	✓
UK_LBRC	[	✓	✓	✓
UK_BSLS	\	✓	✓	✓
UK_RBRC	]	✓	✓	✓
UK_CIRC	^	✓	✓	✓
UK_UNDS	_	✓	✓	✓
UK_GRV	`	✓	✓	✓
UK_LCBR	{	✓	✓	✓
UK_PIPE	|	✓	✓	✓
UK_RCBR	}	✓	✓	✓
UK_TILD	~	✓	✓	✓