FYI: Some of these sites may not work, but they did when I put them together. I may continue to update this list, and the resources on this page.

1 craigslist.org
2 Quikr.com
3 Gumtree.com
4 ClickIndia.com
5 OLX.com
6 freeadstime
7 adsglobe.com
8 Oodle.com
9 sell.com
10 classifiedads
11 Click.in
12 Ivarta classifieds
13 Indialist
14 Digitalbhoomi-digital ads
15 Locanto
16 ocala4sale.com sell ads
17 globalFreeClassifiedAds
18 bonqo.com classifieds
19 classifiedslive
20 traderonline.com ads
21 Rediff Classifieds
22 claz.org ads
23 Bechna
24 Goforads-free online ads
25 Khojle
26 Meramaal ad posting
27 Adpost
28 Indnav classified listing
29 Ddoos
30 Classifiedsden-free ad site
31 Vivastreet
32 Zopdy free classifieds
33 Webindia123
34 adlandpro.com ad listings
35 inetgiant.com
36 Thisismyindia ads
37 hotfreelist.com/
38 Sulekha free listings
39 yakaz.com
40 Ibibo advertising
41 pennysaverusa.com
42 Indiagrid online ads
43 daype.com
44 salespider
45 ziply.com
46 Sify classifieds
47 Adeex
48 domesticsale.com
49 Whereincity
50 Adsmantra
51 epage.com
52 freeadscity.com
53 recycler.com
54 chooseyouritem
55 webcosmo.com
56 Rajb2b
57 hoobly.com
58 Indyapulse
59 freeadlists.com
60 Bupio
61 bestwayclassifieds
62 wantedwants.com
63 webclassifieds.us
64 Dragg
65 Classifieds4me
66 E-classifieds.net
67 Boostim
68 buysellcommunity.com
69 Classifieds.co.uk
70 businesslist
71 Askht
72 Google.com/base
73 Classifieds.yahoo.com
74 Kaboo.com
75 Bizmartindia
76 Bharatpatal
77 Postyouradforfree.com
78 Highlandclassifieds
79 Loyalmart
80 Mid-day
81 Bestadforum.com
82 Kijiji.com
83 Citynews.com
84 Livedeal.com
85 Selloutads.com
86 Ozfreeonline.com
87 Worldslist.com
88 Kugli
89 Subblurbs.com
90 Droik
91 Kaboo.org
92 Isell.com
93 Iclads.com
94 Itsmymarket.com
95 Postaroo.com
96 Marketplace.sfgate.com
97 London.kijiji.ca
98 Freeads.biztop.com
99 Freeadvertisingzone
100 Economist.com/classifieds