34 alternatives to OpenX in the AdTech landscape, grouped by category.
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AdelloAdello is a mobile marketing technology company that originated as an early mobile ad network in…
AdtelligentAdtelligent is a specialized advertising technology company that operates as a comprehensive…
AppNexusAppNexus was an American multinational technology company that operated a cloud-based software…
EMX DigitalEMX Digital is a supply-side platform (SSP) and header bidding technology provider that helps…E
EpldtEpldt operates as a specialized sell-side platform (SSP) within the programmatic advertising…
EquativEquativ is a French advertising technology company that provides a vertically integrated platform —…
Improve DigitalImprove Digital is an advertising technology company that provides a range of online…
Index ExchangeIndex Exchange is an independent supply-side platform that helps media owners connect with leading…
IponwebIponweb was a Russian/Cyprus-headquartered AdTech infrastructure provider acquired by Criteo in…
KargoKargo is an advertising technology company that engineers technology to forge connections between…L
LiveRailLiveRail was a video advertising technology platform focused on helping publishers maximize revenue…
MagniteMagnite is an American online advertising technology company based in Los Angeles, California,…
Media.netMedia.net is a contextual advertising network and one of the top five largest pure-play ad…
Microsoft MonetizeMicrosoft Monetize is a premium supply-side platform (SSP) and monetization solution for…
OpenPathOpenPath is a programmatic supply-chain product launched in 2022 by The Trade Desk that enables its…
PubMaticPubMatic is a digital advertising technology company that develops and implements online…
Roku ExchangeRoku Exchange is Roku's SSP-style ad-tech gateway launched November 2025 — provides programmatic…
Rubicon ProjectRubicon Project, now operating as Magnite, was an American online advertising technology firm based…
SharethroughSharethrough, now operating as Equativ following a merger announced in June 2024, was one of the…
SovrnSovrn is a publisher technology platform that has, since 2014, helped independent publishers earn…T
TelariaTelaria, now operating as Magnite, was a fully programmatic, sell-side software platform…
YieldmoYieldmo is a leading ad tech platform that offers advanced AI-driven ad formats and delivers…
AdslotAdslot is a programmatic advertising technology platform that serves as critical infrastructure…N
NexageNexage was a leading mobile advertising exchange and supply-side platform (SSP) that pioneered…
SmartyAdsSmartyAds is a global digital advertising software developer that creates programmatic solutions…
AdlookAdlook is a next-generation media technology company specializing in reaching audiences on the open…
AdvertServeAdvertServe is a unified ad serving platform built for web, mobile, email, and video, with a…
AlkimiAlkimi is an agentic advertising marketplace where AI agents representing buyers and sellers can…
AOLAOL is a web portal and former online service provider based in New York City, currently owned by…
BrightcomBrightcom Group is a publicly-traded digital media technology company founded in 1999 and…
dJAX AdserverdJAX Adserver is an ad serving software platform for publishers, ad networks, agencies, and media…
DoubleClickDoubleClick, now folded into Google Marketing Platform as Google Ad Manager, was an American online…
OpenRTB ConsortiumOpenRTB Consortium is an industry group that assembled technology leaders from both the supply and…- PubMatic ActivateBuy-side platform giving advertisers direct access to PubMatic's omnichannel inventory via…