Here are over 101 ebook listing sites, Kindle freebie sites, book review sites, and Facebook ebook groups (which I will try to keep updated with your help).
Some of these sites offer free listings. Others charge a minimal fee for listing. Good hunting!
http://www.addictedtoebooks.com/submission
http://www.armadilloebooks.com/submit-free-ebooks
http://www.askdavid.com/free-book-promotion
http://www.authormarketingclub.com/members/submit-your-book
http://www.awesomegang.com/submit-your-book
http://www.bargainbooksy.com/sell-more-books
http://www.bargainebookhunter.com/feature-your-book
http://www.bestebooksfree.com/Authors-eBook-Promotion.shtml
http://www.blackcaviar-bookclub.com/free-book-promotion.html
http://www.bookangel.co.uk/submit-your-book
http://home.bookbub.com/home
http://www.bookdealhunter.com/submit-free-book
http://bookfreebies.com/submit-book.php
http://www.bookgoodies.com/submit-your-free-kindle-days
http://www.bookgoodieskids.com/advertising/submit-your-free-book-days
http://www.bookgorilla.com
http://www.booklybooks.com/submit-your-book-review
http://www.thebookmarketingnetwork.com
http://www.bookpinning.com/?sws=home/submit-book
http://www.bookpraiser.com/submit-book
http://www.bookpreviewclub.com/authorsignup
http://booksandpals.blogspot.com/p/guide-to-reviews.html
http://blog.booksontheknob.org/about-this-blog-and-contact-info
http://thecheapebook.com/authors/about-us
http://www.choosybookworm.com/authors
http://www.dailycheapreads.co.uk
http://www.dailycheapreads.com
http://www.digitalbooktoday.com/12-top-100-submit-your-free-book-to-be-included-on-this-list
http://thedigitalinkspot.blogspot.com.es/p/contact-us.html or direct submission at: https://docs.google.com/spreadsheet/embeddedform?formkey=dC1PcUFvVlZiV25lcjYtZzhtNzNQQnc6MQ
http://www.dirtcheapmysteryreads.com
http://www.ebookbargainsuk.com/price.html
http://www.ebookdealoftheday.co.uk/submissions
http://www.ebooklister.net/submit.php
http://www.ebookshabit.com/for-authors
http://www.ebooksoda.com
http://www.theereadercafe.com/p/authors.html
http://ereadergirl.com/submit-your-ebook
http://www.ereaderiq.com/about
http://www.ereadernewstoday.com/bargain-and-free-book-submissions
http://www.ereaderperks.com/about
http://fireapps.blogspot.ca/p/app-developers-authors.html
http://www.fkbooksandtips.com/for-authors/free-kindle-book-submission-form
http://www.flurriesofwords.blogspot.co.uk
http://www.freebookdude.com/2014/03/sidebar-ads-on-freebookdudecom.html
http://www.freebookshub.com/authors
http://www.freebooksy.com/editorial-submissions
http://www.freeebooksdaily.com/p/contact.html
http://freekindlefiction.blogspot.ca/p/featured-post.html
http://freekindlefiction.blogspot.co.uk/p/tell-us-about-free-books.html
http://www.frugal-freebies.com
http://thefrugalereader.wufoo.com/forms/frugal-freebie-submissions
http://www.thefussylibrarian.com/for-authors
http://www.goodkindles.net/p/why-should-i-submit-my-book-here.html
http://greatbooksgreatdeals.wufoo.com
http://uk.hundredzeros.com
http://www.hunt4freebies.com/submit-freebie
http://www.iauthor.uk.com
http://www.icravefreebies.com/contact
http://www.igniteyourbook.com/free-ebook-submission
http://www.indieauthorland.com/freebooks
http://www.indie-book-bargains.co.uk
http://www.indiebooklounge.com
http://www.indiebookoftheday.com/authors/free-on-kindle-listing
http://indiebookreviewer.wordpress.com/index (list of indie book reviewers)
http://www.indie-kindle.com
http://www.theindieview.com/indie-reviewers (list of indie book reviewers)
http://www.indiesunlimited.com/freebie-friday
http://www.itswritenow.com/submit-your-book
http://www.jungledealsandsteals.com/submit-your-kindle-freebie
http://www.kindleboards.com/free-book-promo
http://www.thekindlebookreview.net/advertise-here
http://www.kindlemojo.com
http://www.kindlenationdaily.com
http://www.kornerkonnection.com/index.html?fb=ebookkornerkafe
http://kindlebookpromos.luckycinda.com/?page_id=283
http://landofchildrensbooks.blogspot.co.il/p/review-policy.html
http://www.listmyebook.com/list-your-free-or-discounted-book.html
http://www.mediabistro.com/galleycat/best-book-reviewers-on-twitter_b11136 (book reviewers on Twitter)
http://www.midwestbookreview.com/links/othr_rev.htm (list of book reviewers)
http://www.mommasaysread.com/author-reviews/author-services
https://www.ohfb.com/author-free-kindle-book-submission.html
http://www.orangeberrybooktours.com/free-me
http://www.peoplereads.com
http://pippajay.blogspot.com/p/blog-page_14.html (list of book reviewers)
http://www.pixelofink.com/sfkb
http://www.pixelscroll.com/feature-your-product-2
http://www.readcheaply.com
http://www.readingdeals.com/submit-ebook
http://www.readinghud.com/p/book-submission.html
http://www.snickslist.com/books/place-ad
http://www.storyfinds.com/promotions-for-authors
http://www.thatbookplace.com/free-promo-submissions
http://www.totallyfreestuff.com
http://www.worldliterarycafe.com/content/find-your-books-wings
http://www.yourdailyebooks.com/sample-page
Over 101 ebook listing sites, Kindle freebie sites, book review sites, and Facebook ebook groups.
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Facebook Pages and Groups Featuring Ebook Freebies
https://www.facebook.com/AontheC
https://www.facebook.com/Bargain.eBook.Hunter
https://www.facebook.com/BookJunkiesLibrary
https://www.facebook.com/ebookimpresario
https://www.facebook.com/earthsbooknook
https://www.facebook.com/ebooksfreefreefree
https://www.facebook.com/freeebookdeal
https://www.facebook.com/pages/The-Frugal-eReader/101086513289732
https://www.facebook.com/IndieKindleWLC
https://www.facebook.com/kindle
https://www.facebook.com/groups/kindlefreebooks (ask for reviews, no promos)
https://www.facebook.com/KindleNation
https://www.facebook.com/TheKindleObsessed
https://www.facebook.com/kuforum
https://www.facebook.com/onlyromance
https://www.facebook.com/pages/Short-Stories-Flash-Fiction-Stories/692915047420207
https://www.facebook.com/pages/UK-Kindle-Book-Lovers/175617412524192
https://www.facebook.com/weloveebooks
Facebook Pages and Groups featuring free ebooks and Kindle freebies #ebooks #freebies
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