ID5 provides a privacy‑first, cookieless identity solution for advertisers and publishers. Below is a curated list of 20 alternative platforms that enable identity resolution, audience segmentation, and measurement without relying on third‑party cookies.
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Privacy‑safe data onboarding and identity resolution platform that uses deterministic and probabilistic signals to create a cookieless ID.
Open-source, email‑hashed identity framework designed for the post‑cookie ecosystem, widely adopted by major ad tech players.
Enterprise‑grade identity graph that unifies first‑party data across channels, enabling cookieless targeting and measurement.
Data‑driven identity solution that leverages contextual, deterministic, and probabilistic data to build a privacy‑compliant ID.
Deterministic identity graph that combines first‑party data with consent‑compliant third‑party signals for cookieless targeting.
Privacy‑first identity solution that uses hashed email and device signals to create a persistent, cookieless user ID.
First‑party data platform that builds a real‑time, consent‑aware identity graph for publishers and advertisers.
Open‑source event pipeline with built‑in identity stitching capabilities for cookieless analytics.
Device fingerprinting service that generates a unique, privacy‑compliant identifier without cookies.
Enterprise data platform offering deterministic identity resolution across web, mobile, and offline channels.
Hybrid deterministic‑probabilistic identity graph that supports cookieless targeting and measurement.
Open, interoperable ID framework that leverages hashed email and consent signals for cross‑platform tracking.
Cross‑device identity solution that matches users via deterministic identifiers and probabilistic modeling without cookies.
A suite of cookieless identity tools, including Unified ID 2.0, for programmatic buying across inventory.
Privacy‑centric ID that uses first‑party data and hashed identifiers to enable cookieless ad delivery.
Cookieless identity framework that combines publisher‑first data with consent‑driven signals for transparent targeting.
Unified ID offering built on hashed email and device data, designed for the post‑cookie supply‑side ecosystem.
Deterministic ID service that leverages first‑party data and consented email hashes for cookieless programmatic.
Mobile‑first identity resolution platform that stitches users across apps and web without relying on cookies.
Privacy‑compliant cross‑device identifier that uses hashed email, phone, and device signals for attribution.