A curated guide to building, prompting, and integrating custom GPTs for creative and marketing professionals.

Mediaspectrum is a cloud-based SaaS provider of multichannel advertising, content management, and publishing software for media companies and publishers. Founded in 2001 and headquartered in Miami, its platform manages the full advertising lifecycle -- proposal generation, packaging, scheduling, rating, workflow, trafficking, optimization, and…

Downstream Impact Inc. was a Seattle-based SaaS platform that helped brands optimize and automate their Amazon advertising, founded in late 2017 by ex-Amazon marketer Connor Folley and ex-AWS engineer Salim Hamed.

Buysight, Inc. was a Silicon Valley advertising technology startup founded in 2008 that built intent-based audience targeting, retargeting, and Dynamic Creative Optimization (DCO) for display advertising, using machine learning to select both the audience for an impression and the creative shown to that user.

A modern Bangladeshi advertising network connecting advertisers with quality publisher websites through Static, Sticky, Pop-in, and Full Page display ads.

Web-based campaign data management, ETL pipeline, and reporting platform with H-Script — a built-in scripting language for client-specific data pipelines

Generate high-quality, professional banner ads in standard sizes using product descriptions and URLs. Powered by Gemini 2.5 Flash.

Jump Ramp Games was a New York City casual mobile gaming company best known for Lucktastic, a free scratch-card, rewards, and instant-win app that launched on Android in 2014 and grew to roughly 10 million US installs across Android and iOS, consistently ranking near the top of the lifestyle category.

Clicktivated is a video technology platform that turns existing video content into interactive, shoppable experiences without re-shooting or re-editing. Its "Activate, Distribute, Optimize" workflow makes any video clickable the same day, deploys it programmatically across DSPs, SSPs, publishers, and direct site embeds, and captures first-party…

AppsFlyer is a mobile marketing analytics and attribution platform used by app marketers to measure, attribute and optimize user acquisition across mobile, web, CTV, console and PC. Its developer surface spans mobile and platform SDKs (iOS, Android, Unity, React Native, Flutter, Cordova, Unreal, Roku, Tizen, webOS) and a large REST API estate…

Covatic is a UK-based, B Corp certified advertising technology company providing privacy-preserving audience intelligence and addressability for media owners, broadcasters, publishers, and advertisers.

MightyHive was a data and digital media consultancy that helped brands take control of their programmatic advertising, media buying, data strategy, and marketing technology. Founded as an independent programmatic trading and media consultancy, it was acquired by S4 Capital and rebranded to Media.Monks in August 2021; the S4 Capital operating…

Pinoffer is the API Evangelist network profile for Converted (convertedin.com), a MENA-focused adtech and martech "unified growth platform" operating across Egypt, Saudi Arabia, and the UAE.

Teads is an omnichannel advertising technology platform (combined with Outbrain since 2024) that helps brands reach audiences across video, display, CTV, and conversational surfaces on 10,000+ premium publisher properties in 50+ markets.

Firefly Systems Inc. is a data-first moving out-of-home (mOOH) advertising network that turns taxis, rideshare vehicles, and other mobility assets into digital and static advertising surfaces across 15+ major North American markets and several countries.

Seamless turns streaming content into shoppable moments through non-disruptive brand placements

Massive Dynamic is an AI-powered advertising platform that bills itself as "The Advertising Copilot" and "the human-AI interface for massive scale." It helps media and advertising teams coordinate large-scale digital ad campaigns by pairing an AI Analysis Copilot (automating daily analytics checks, quarterly business reviews, and Media Mix…

Skai (formerly Kenshoo) is an AI-powered commerce media platform that helps brands and agencies centralize retail media, paid search, and paid social data, then plan, activate, optimize, and measure omnichannel marketing campaigns across Amazon, Google, Meta, retailers, and marketplaces.

Sinclair, Inc. (Nasdaq: SBGI), formerly Sinclair Broadcast Group, is a diversified media company and one of the largest U.S. local television broadcasters. The company operates 177-185+ TV stations across roughly 79-86 markets affiliated with all major broadcast networks (Fox, NBC, CBS, ABC, MyNetworkTV, The CW), owns Tennis Channel, holds a stake…

OneScreen AI is a data-driven out-of-home (OOH) advertising company that makes real-world media — billboards, transit, and place-based advertising — as queryable and buyable as any digital channel.