Kotlin

Rank	Developer	Repos	Stars
1	JetBrains	104	92,872
2	Kotlin	62	56,500
3	google	32	50,862
4	skydoves	49	39,137
5	JakeWharton	30	35,183
6	afollestad	17	29,960
7	alibaba	1	28,743
8	bannedbook	2	28,595
9	2dust	1	18,880
10	nickbutcher	2	17,575

Rank	Repo	Stars	Developer
1	kotlin	43,800	JetBrains
2	p3c	28,743	alibaba
3	fanqiang	28,583	bannedbook
4	iosched	21,730	google
5	material-dialogs	19,502	afollestad
6	v2rayNG	18,880	2dust
7	flexbox-layout	17,748	google
8	plaid	16,253	nickbutcher
9	anko	15,945	Kotlin
10	legado	12,770	gedoor