This is the updated list from March 2019. If you have more to add, please comment them. I will check, verify and add myself.

  1. http://www.koolbusiness.com/
  2. https://www.webwiki.com/
  3. http://indianreunited.net/
  4. http://indiaclassify.com/
  5. https://free-classifieds-usa.com/
  6. https://click.in
  7. http://connect.releasewire.com/
  8. http://www.indiansclassifieds.com
  9. http://etaaps.org
  10. http://classifiedads.com
  11. https://www.adproceed.com
  12. http://gostartups.in
  13. https://adsansar.com/
  14. https://www.linkcentre.com/
  15. http://epage.com
  16. http://keralacl.com
  17. http://adfreeposting.com
  18. https://www.adeex.com/
  19. https://www.adsy.in/
  20. https://www.adaalo.com/
  21. http://brownbook.net/
  22. https://clickindia.com
  23. http://ads.indiaonline.in/
  24. https://addyp.com/
  25. https://viesearch.com/
  26. https://www.adpost.com/
  27. https://www.advertisingspider.com/
  28. http://slashdot.org
  29. http://twarak.com
  30. https://claz.org/
  31. http://locanto.net
  32. http://www.vivastreet.com
  33. https://www.postallads4free.com/
  34. http://www.kijiji.ca/
  35. http://www.freeclassifiedssites.com
  36. http://www.pressmania.com/
  37. http://indiamart.com
  38. https://infoline.com/
  39. http://www.siteswebdirectory.com/
  40. http://www.britainbusinessdirectory.com/
  41. http://justlanded.com/
  42. http://www.highrankdirectory.com/
  43. https://www.infoisinfo.co.in/
  44. http://viyeu.asia/
  45. http://www.classtize.com/
  46. https://tuffclassified.com/
  47. http://hoobly.com/
  48. http://www.buckdodgers.com/
  49. https://www.infomagic.com/
  50. http://kochi.indads.in/
  51. http://kochi.adeex.in/
  52. https://post.craigslist.org/
  53. http://property.trovit.co.in/
  54. http://www.myfreeads.in
  55. http://cochin.click.in/
  56. http://thrissur.click.in/
  57. http://adpress.in
  58. http://kochi.adswale.in
  59. http://thrissur.adswale.in/
  60. http://kochi.postad.in/
  61. http://thrissur.postad.in/
  62. http://post.vivastreet.co.in/
  63. https://www.expatads.com/
  64. https://www.olx.in/posting/
  65. http://trivandrum.click.in/
  66. http://xoocal.com/
  67. http://www.adlandpro.com/
  68. https://www.freeadstime.org/
  69. http://www.spectralactivities.in
  70. http://www.delhifinder.com
  71. http://www.greenpageclassifieds.in
  72. http://www.gyanijiworld.in
  73. http://www.gyanijiweb.in
  74. http://www.gyanijiinfo.in
  75. http://www.gyanijinetwork.in
  76. http://www.indianclassifiedsonline.in
  77. http://www.skybiz.in
  78. http://www.shiningindiaclassifieds.in
  79. http://www.mykota.in
  80. http://www.livekota.com
  81. http://www.freeclassifiedme.com
  82. https://www.delhifinder.com
  83. https://kl-in.global-free-classified-ads.com
  84. http://www.viewfreeads.com
  85. http://www.gmawebdirectory.com
  86. https://www.247webdirectory.com
  87. http://alistdirectory.com
  88. https://bizyellow.com
  89. https://www.intelseek.com
  90. http://www.mysheriff.net
  91. http://www.american-classifieds.net/
  92. https://www.yext.com
  93. http://www.bizvotes.com
  94. http://www.folkd.com
  95. https://www.adpost.com
  96. https://classifieds4u.in
  97. https://www.bedpage.com
  98. https://malayaliclassifieds.com
  99. http://www.zolum.com/india
  100. https://clickooz.com
  101. http://kabayans.com
  102. http://chennaiclassify.com
  103. http://bangaloreclassify.com
  104. http://hyderabadclassify.com
  105. http://delhiclassify.com
  106. http://mumbaiclassify.com
  107. http://kolkataclassify.com
  108. http://puneclassify.com
  109. https://www.afribaba.com
  110. http://www.buzzndeal.com
  111. https://tuffclassified.com
  112. http://www.indiacatalog.com
  113. http://www.buckdodgers.com
  114. http://www.dewalist.com
  115. http://www.bestcraigslists.com
  116. https://www.adresourcechannel.com
  117. https://www.bolcitybol.in
  118. https://www.greenpageclassifieds.in
  119. http://www.gyanijidunia.com
  120. https://www.webdoctx.com
  121. https://hypestat.com
  122. http://www.cutestat.com
  123. http://www.w3snoop.com
  124. https://www.easycounter.com
  125. https://www.fashyas.com
  126. https://gramigo.com
  127. https://storystalk.net
  128. https://eventsdo.com
  129. http://www.expressbusinessdirectory.com
  130. https://www.localbiznetwork.com
  131. https://godotengine.org
  132. http://www.open-web.info
  133. https://www.sitelinks.info
  134. https://www.websitesuccesstools.com
  135. https://websitelists.in
  136. http://www.adbazzaar.com
  137. https://www.bajar.in
  138. https://www.cipinet.com
  139. https://www.bumber.info
  140. https://www.mugro.info
  141. https://www.domico.info
  142. https://www.zexro.info
  143. https://www.weddo.info