Apache RAT vs Double Open Compliance

Apache RAT is a free, open-source release-audit tool for checking software distributions, with particular attention to license headers. Version 0.18 provides a command-line client, an Ant task library, and a Maven plugin. You can include or exclude files using patterns, collections, pattern files, and file-size limits; apply approved-license lists; and produce plain, XML, missing-header, or unapproved-license reports. The Maven plugin can write target/rat.txt or add a report to a generated site. RAT can add Apache-2.0 headers and copyright notices to files allowed by configuration. XML license definitions are supported, and experienced users can extend matchers, formats, reports, and interfaces. It runs on Linux and is intended for self-hosted, on-premise use. Building requires Java 17, with Maven 3.9.13 or later recommended. Reports need interpretation and project-specific tuning, and heuristics can miss issues.

Double Open Compliance automates software security and license compliance with deterministic filters and framework-anchored AI agents. It addresses legal due diligence for the EU Cyber Resilience Act, NIS2, and DORA. ORT Analyzer captures transitive dependencies according to how software is built, while Double Open Server provides global file-level caching that the site says enables 10x faster scanning. The platform produces machine-readable SBOMs in CycloneDX and SPDX formats and manages GitHub, GitLab, and air-gapped projects. AI agents surface ambiguous exceptions for human verification or version-controlled pull requests. Vulnerability triage ranks CVEs by code reachability and package roles and proposes evidence-backed resolutions. Deployment can be SaaS or customer-hosted, with data in EU-controlled datacenters or on customer infrastructure. The ORT stack includes a web UI, dashboards, REST API, and identity management.