Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

OpenAdServer

Free#27 of 32 in Ad Server Software

OpenAdServer: An open-source ad-serving API for teams prepared to manage their own deployment. Ranked #27 of 32 in Ad Server Software by our editors (6.0/10); pricing: Free plan; best for developers building a self-hosted ad-serving API.

6.0/10Editor score
Visit OpenAdServer
OpenAdServer6.0 Visit OpenAdServer

At a glance

  • Editor score
    6.0 / 10
  • Pricing
    Free plan
  • Best for
    Developers building a self-hosted ad-serving API
  • Free plan
    Yes
  • Paid from
    None
  • Ad formats
    Display and video
  • Facts checked
    5 Oct 2026

  • Where it wins

    • Serves banner, native, video, and interstitial ad formats
    • Combines targeting, frequency caps, and budget pacing
    • Tracks events and exposes Prometheus metrics for Grafana dashboards

  • Where it doesn't

    • Requires teams to deploy and manage their own infrastructure
    • VAST support is described as a future roadmap item
    • Support is community-based

Our verdict on OpenAdServer

OpenAdServer is an open-source ad-serving platform for developers building ad networks, monetizing app traffic, or running ad campaigns through an API. It serves ad requests and supports campaign management, with formats that include banner, native, video, and interstitial ads. Teams can target by geography, device, operating system, demographics, and interests. Its self-hosted deployment and API focus suit technically capable small and mid-market teams that want control over serving infrastructure; it is less suited to buyers seeking a managed service or a finished, turnkey workflow.

The product’s feature set covers several parts of ad delivery and optimization. It supports CPM, CPC, CPA, and oCPM bid types, with eCPM ranking, budget pacing, and hourly and daily per-user frequency caps. CTR prediction uses DeepFM, logistic regression, and factorization machines. Impression, click, and conversion events can be tracked, while Prometheus metrics and Grafana dashboards provide monitoring integrations. This breadth is useful for teams building their own serving logic, though the product’s positioning is more infrastructure-oriented than a polished campaign operations suite.

Deployment is managed on the user’s infrastructure, and Docker Compose is documented as a setup option, so buyers should be ready to take responsibility for operating the service. The README describes video as a current format, while VAST support is a future roadmap item; teams that require VAST should account for that distinction. Support is community-based. OpenAdServer is a better fit for developers who value an open-source, self-hosted API with targeting and pacing controls than for organizations seeking vendor-managed hosting, broader platform support, or a mature support arrangement.

OpenAdServer pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on github.com

OpenAdServer fact sheet

Free planYes
Paid fromNone
Ad formatsDisplay and video
Supported channelsWeb and mobile
White-label platformNot verified
Self-hosted optionYes
Custom reportingNot verified
Impression limitNot verified
DeploymentSelf-hosted
SupportCommunity
Built forSmall business, Mid-market (editorial estimate)
Integrations2 integrations: Prometheus, Grafana
PricingFree plan
Websitegithub.com
Facts checked5 Oct 2026

OpenAdServer integrations

OpenAdServer lists 2 integrations on its own site.

  • Prometheus
  • Grafana

Alternatives to OpenAdServer

See all OpenAdServer alternatives →

Used OpenAdServer? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used OpenAdServer for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — OpenAdServer 6.0/10

OpenAdServer is listed in our Ad Server Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/openadserver/"><img src="https://www.itechguides.com/best/badge/openadserver.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Last updated · How we research and update