NOTIFY.IO has 8 keywords

Second position — 2 keywords

Keywords Analytic

the 2th position for notify.io

#	Keyword	Results	Change	Check Date
2	notification system open source	3 180 000	0	2014-03-09
2	open source notification system	3 920 000	0	2014-04-06

positions above than 3th notify.io

#	Keyword	Results	Change	Check Date
14	twitter growl	2 310 000	0	2014-07-11
16	notification destktop web	8 960 000	0	2013-05-07
35	notifiy	272 000 000	0	2014-01-05
38	desktop notification system	11 800 000	0	2014-06-11
42	prowl growl	794 000	0	2014-08-13
50	growl notification	185 000	0	2013-11-01