Best and Free Social Networking Sites List

Sno.	Website	Page Rank
1	Twitter	10
2	Facebook	9
3	Linkedin	9
4	Tuenti	9
5	Youtube	9
6	Xing	9
7	Pinterest	8
8	Stumbleupon	8
9	Tumblr	8
10	Delicious	8
11	Livejournal	8
12	Myspace	8
13	Studivz	8
14	Hyves	8
15	Digg	8
16	Reddit	8
17	Technorati	8
18	Chime	8
19	Ning	7
20	Meetup	7
21	Aviary	7
22	Squidoo	7
23	Diigo	7
24	Bizsugar	7
25	Newsvine	7
26	Hi5	6
27	Friendster	6
28	Classmates	6
29	Badoo	6
30	Skyrock	6
31	Netlog	6
32	Wikihow	6
33	Care2	6
34	Plaxo	6
35	Beat100	6
36	Arto	6
37	Tagged	6
38	Mylife	6
39	Gather	6
40	Blackplanet	6
41	Apsense	5
42	Sonico	5
43	Meetme	5
44	Myheritage	5
45	Sunzu	5
46	Networkingforprofessionals	5
47	Tribe	5
48	Biggerpockets	4
49	Balltribe	4
50	Pixelgroovy	4
51	Zorpia	4