I have compiled and listed here, a huge list of ad networks and traffic sources which are worth trying.
7Search | Pay-Per-Click Search Engine Advertising Network – 2nd tier PPC/Cheap search ads
Ad.ly – Celebrity Endorsements in Social Media – sponsored/celeb Tweets,Twitter Advertising
Adblade – Online Advertising and Monetization Services – self serve display ads, good traffic
adBrite Exchange – display/contextual ads
AdBuyer.com provides the tools to help search marketers keep growing – media buying ad exchange
AdClickMedia Advertising Network – Pay Per Click Advertising, online text advertising, banner advertising, and Interstitial advertising. – self serve banners and contextual widgets
AdEngage – Engaging Internet Advertising – banners/text, similar to adbrite, allow weekly buys
Adknowledge.com | The leading long tail marketplace – social media ads,cheap ads,High Volume (aquired cubics & bidplaceSB)
http://www.adsonar.com – part of advertising.com(aol) -text ads on high traffic US sites like,cnn,cnbc,Huffington post,etc
AdSide: Beyond Standard Ads – self serve ppc, contextual, inline text ads
Retargeting and Display Advertising | AdRoll– retargeting
http://www.adsrow.com -ppc
http://www.addesk.advertising.com – display solutions on AOL inventory
Advertising.com – display/banners, media buys
Advertising | eZanga.com Hop on and go! – cheaper search and contextual
The Microsoft Media Network – microsoft banner display/media buys
Why Buy Blog Advertising? | Blogads – ads on high traffic blogs
BidVertiser – Pay Per Click Advertising On Sites Of Your Choice. – contextual and banner ads
Online Advertising Marketplace | BuySellAds.com – self serve banners on a range of design blogs
Casale Media – Home – self serve banners
Chitika – Online Advertising Network | Search Targeted Ads, Mobile Ads & Local Ads for websites, blogs, apps & mobile – search related contextual display ads
Online Contextual Advertising and Behavioral Marketing Services – contextual/banners
Clickbooth CPC Network for Advertisers or Affiliates – (Formerly Adtoll)-display/text ads
http://contextweb.com (formerly Adsdaq) -contextual ads/media buying exchange
CPMStar – The Online Network Devoted To Gamers – banners display targetted at gaming sites only
Welcome to CPX – banners/display, media buys
http://elephant-traffic.com – ppv type ads on parked url’s – cheap clicks
Advertising | Facebook – self serve ads on facebook
FinditQuick.com | Search, Shop and Compare – cheap text ads
http://google.com/adwords – You know about this anyway !
Marchex Pay-Per-Click Site-Specific – Contextual Pay Per Click Solutions for Advertisers and Publishers (Formerly Marchex/Adhere)-Cheap PPC Advertsing
Contextual In-Text Advertising and Related Information Solutions by Kontera – inline contextual text ads
World’s Largest Professional Network | LinkedIn – Ads on Linkedin pages
Media Traffic – CPV PPV Contextual Advertising – ppv ads
Connect with targeted users on Adknowledge Miva | MIVA.com – cheap search ads
http://myads.com – self serve banners on myspace & a host of Fox network sites
AOL Advertising – aol banner ad/media buy network
Free Online Dating at Plentyoffish.com™ – Social media self serve ads (CPM)
Dashboard Ad – premium banner ad networ
PubMatic – ad network
Pulse 360 – The Leader in Content Targeted Sponsored Links on the Web’s Best Sites – ads on good high traffic inventory
http://rockyouads.com – social media display ads
Connect with targeted users on Adknowledge Miva | MIVA.com – search/contextual on parked pages. ****.
Twitter Advertising : Sponsored Tweets – sponsored twitter posts
StumbleUpon.com: Discover the Best of the Web – Social media ads
Technorati Media | social media at scale – banners
http://trafficvance.com – good ppv ad network
TRAFFIQ ? Digital Media. Smarter. – self serve banners, media buys
trianads.com – failbook app ads, display
Tribal Fusion – media buy banner network
Undertone | The Singular Choice for Quality Display and Video Advertising – premium banners/display/media buys
Hosted Audio/Video Chat Software by Userplane – social media advertising for media buyers
ValueClick Media | The Pure Performance Network – banners, display/media buys
http://www.web.blogads.com – banners/text ads on high traffic blog network
Select Country – Adconion Media Group – video/banner ads, media buys
Adperium Direct Ads – display banners, self serve, similar to adbrite
AdReady | Create an ad targeted to your customers – display ads/self serve banners on yahoo sites
Retargeting and Display Advertising | AdRoll – self serve banners
AdSide: Beyond Standard Ads – self serve ppc contextual inline text ads
http://www.bidplacesb.com/ – self serve banners, owned by AOL
BURST MEDIA – banners/display/media buys
Canoe Klix – text ads on the canoe.ca network
Home | Collective | The Audience Engine – media buys, banners/display
DSNR Media Group – Result Based Online and Mobile Advertising – display, media buys, unknown quantity/quality
Etology – Advertising 2.0 – banners/text ads, cheap
Targeted internet marketing – online advertising – online analytics – interclick – banners, high volume media buys
Self Service Advertising and Direct Sales Tool For Publishers | isocket – closed beta, but will be banner/display ads
AOL Advertising – retargeted ads at search traffic
MediaWhiz | Home – banners/display, media buys
Réseau Sélect – Accueil – banner and offline targetted at quebec
Right Media – self serve banner exchange
Home – Specific Media – banners/video display, media buys
Index of / – self serve text/widget ads
Matomy Media – banner/display media buys
DSNR Media Group – Result Based Online and Mobile Advertising – display banners, media buys, large inventory
https://adcenter.microsoft.com – search and content text/contextual ads
https://marketingsolutions.yahoo.com – search/content contextual ads
Additions to original traffic source list :
Advertise on Digg | Digg About – sponsored ads on digg.com
Adfunky – Display/rich media, some high traffic inventory
AditAll- Create & Run Video Ads Online – produce and run video ad campaigns
AdJuggler – Ad Serving & Management – display/media buys
Affiliate Ad Solutions | Publisher Ad Solutions | AdMedia – self serve inline contextual text ads like kontera, also display ads
Pay Per Click Advertising | Pop Under Ads | AdOn Network – banners, contextual, search – self serve (pop under)
Adoori – Reinvent Your Advertising. – ppv popups – self serve
Online Advertising Company : PPC : Email Traffic : Remarketing : Display Advertising : Online Ads : Pay Per Click Advertising : Advertise.com – self serve text, search and display ads
Affinity Contextual Advertising – Advertiser & Publisher Solutions – search, parked pages, text ads – good 2nd tier inventory
http://engagebdr.com – media buys on high traffic inventory (25k pre-pay)
Ero-Advertising: Home – Web & mobile display/banners on adult inventory
FetchBack – The Retargeting Company – Retarget the ones who didn’t sign up first time
Welcome to Hola Networks – media buys targeting hispanic demo only in USA
inLinks – In Content Link Market Place – inline contextual ads, like Kontera
Intermarkets, Inc. – display/banners – media buys
Social Media Marketing | IZEA – self serve sponsored tweets/blog posts
LeadImpact – formerly zango – pops/CPV ads
LinkWorth | Search Engine Marketing – Text Link Advertising – self serve contextual/inline text ads and good SEO services
LookSmart > Pay-Per-Click Search Advertising – self serve search/contextual text ads
http://marketplace.sitepoint.com/cat…ertising-space – small direct banner buys
RevTwt – Twitter Advertising – – advertising on twitter
http://traffictaxi.net – self serve banners/display/popunders – global
Targeted Advertising – Accelerator Media – UK banners/media buys
Global Home | The AD2ONE Group – media buys on premium UK, Irish & Aus. sites + Ebay
ADBORSA – Display ads for largely Turkish demography
Select Country – Adconion Media Group – display/media buys, good for Europe
Admanage affiliate and advertising network – PPC, CPC Banner, In Text, Display Ads, CPV, Domain Parking – Contextual, inline & display, pops, parking
AdOptim, monetize your audience – in-video, text and banner ads
http://www.adpepper.com – European banner display + Affiliate network
Adtegrity.com » Welcome to a different kind of ad network. – Media buys/display, high volume
Adverline, Publicité en ligne – Media buys, good quality French/Euro inventory
Online Advertising – AdvertiseSpace – Direct display buys on low inventory
Targeted Adult Traffic, Buy and Sell Adult Traffic – AdXpansion – Display/banners on adult inventory
Aim4Media – Leads the Way – Display media buys mainly European traffic
http://www.ampkeywords.com – self serve text ads
The adexchange experts: uncomplicating the complicated – media buys/banners, good european reach
Black Label Ads – The Internet’s Adult Ad Marketplace – Text & banners on adult inventory – adult version of adbrite
BrightRoll | The Leading Provider of Online Video Advertising Services – media buys, banners/video
Advertise Online with CBS Interactive – media buys on very high traffic CBS sites
Criteo – Retargeting
http://www.directaclick.com – Owned by Fox, media buys, US Hispanic traffic
Pay Per View PPV Cost Per View CPV Contextual Online Advertising Network – cpv, self serve popups
Ero-Advertising: Home – Web & mobile display/banners on adult inventory
ExoClick.com – Innovative PPC platform – Text/display on various inventory. Similar model to adbrite
Filiado.com – Media buys for Brazilian inventory
Glam Media . The Pioneer of Vertical Media – media buys, display, very good inventory for female
Global Interactive – Your site representation company with a wider reach! – Smaller scale banner/pop media buys
http://www.harrenmedianetwork.com – Media buys, South American/Hispanic traffic
Hi-media , Groupe Media On-line – display/media buys, mainly European traffic
Marchex Pay-Per-Click Site-Specific – Contextual Pay Per Click Solutions for Advertisers and Publishers – now called adHere – text ads on mainly tech sites
Targeted internet marketing – online advertising – online analytics – interclick – media buys, display, high volume
http://interstitials.net – interstitial ad network
Welcome to Intergi | Digital Site Rep Agency for Video Games and Entertainment – banners and static/video in-game adverts
JuicyAds.com – Adult Advertising, Adult Traffic – Buy and Sell- Buy Ads and Sell Ads – Get Juicy! – Display on adult inventory, flat rate buys per week/month
LinkWorth | Search Engine Marketing – Text Link Advertising – Banners, inline, contextual, plenty of cheap inventory
Megaclick: Internet Advertising 2.0 – banners on 2 high traffic file share sites
Mirago – Home – UK/French/German contextual/search ads
The Largest Network of Online Games – Mochi Media :: Fueling Creativity – self serve in-game ads, 300�–250 only
HomePage – Retarget the ones who didn’t sign up first time
Blue Noodle – the leading ad platform for casual games – static/video in game adverts
Pamoja Media | Digital Marketing Agency – Adify powered, banners for African traffic
RealTechNetwork – Your Revenue Synchronized – Variety of formats, self serve platform
reddit.com: advertise – self serve direct ads on reddit.com
Reduxmedia – Display, media buys, some good blog inventory
ReTargeter – Retarget the ones who didn’t sign up first time
Welcome – Rubicon Project – media buys, nice interface/inventory
Salem Web Network, Christian Online Advertising – Display ads on Christian website network
SHE NETWORK; ett vertikalt annonsnätverk för annonsörer som vill nå kvinnor i sin Internet annonsering. – Adify powered, target Swedish women
Smowtion – display banners, most South American inventory
Snap.com: Delivering Contextual Content And Advertising – text/inline type ads
Home – Specific Media – Media buys/display on UK/Euro premium inventory
Advertisers – Tatto Media Advertising Made Simple – banners/display/media buys
Traffic Junky – Buy & Sell Targeted Website Traffic & Advertising – self serve display/banners, good volume inventory
Epic Marketplace – display/email ads, media buys
What is AdRands? – banners, South African traffic
Tremor Video, Inc. – media buys, good range of new formats
Unanimis – display/video media buys, UK traffic
Utarget.FOX : 21st Century Video – UK display/rich media/video, owned by Fox
Vibrant – The Leaders of Contextual and In-Text Advertising – inline contextual/rich ads, media buys
Advertising Execution : XA.net – Real-time media buying and online media planning tools – Display/retargeting/facebook ad exchange
Interstitial Ads – Full Page Ads – Online Marketing Services – Interstitial full page ads
YuMe Video Ad Network & Platform – in-video ads, media buys
ZEDO Advertising Technology Partner – display/media buys
GlobalTakeOff – display/media buys
GFY Webmaster Board
Traffic Holder Auto System / Buy & Sell Adult Traffic
ExoClick.com – Innovative PPC platform
Traffic Junky – Buy & Sell Targeted Website Traffic & Advertising
Ero-Advertising: Home
JuicyAds.com – Adult Advertising, Adult Traffic – Buy and Sell- Buy Ads and Sell Ads – Get Juicy!
Targeted Adult Traffic, Buy and Sell Adult Traffic – AdXpansion
Crakmedia Network
Traffic Shop
TrafficBroker.com – Buy Traffic / Sell Traffic / Make Money!
Etology – Advertising 2.0
Traffic Force Ad Broker
AdultSense.com – High Quality Pay Per Click Adult Advertising.
TrafficMack – Your Internet Advertising Solution
Wildline! The Best Adult Traffic, Period. Premium adult traffic experts.
Chokertraffic: Buy quality adult traffic at discount prices
GTSAds | The Source for Adult Traffic
Adult AdWorld : Adult Advertising Network
*** Mobile Ad Networks ***
Mobile Advertising, App Advertising and Analytics, Mobile Ad Exchange, Mobclix
InMobi | Global Mobile Ad Network
AdMob | Promote Apps | Monetize Traffic | Measure Performance
www.quattrowireless.com
https://www.decktrade.com
Jumptap | The Leader In Targeted Mobile Advertising
Mobile Advertising with Mojiva’s Mobile Ad Network
ZestADZ – Mobile Ad Marketplace | Mobile Ads Network | Mobile Advertising and Publishing Platform
BuzzCity – Mobile Internet Advertising
HUNT Mobile Ads