No. 7 of 29 ·Electronic Data Interchange Software

OpenAS2

Web · Linux · Self-hosted · API

Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

OpenAS2 is ranked #7 of 29 in electronic data interchange software on Freedom251. It runs on API, Linux, Self-hosted, Web.

Compared on electronic data interchange software

EDI standards: EDI-X12, EDIFACT, EDIINT AS2
Integration methods: AS2 messaging, REST API, directory polling
Partner onboarding: Yes

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The record

Purpose: OpenAS2 is a Java implementation of the EDIINT AS2 standard intended to run as a server.
Message exchange: It transmits and receives AS2 messages containing EDI-X12, EDIFACT, XML, or binary payloads between trading partners.
Security capabilities: The project describes support for a wide variety of signing and encryption algorithms.
Deployment: The repository provides instructions for building and running the server in Docker containers.
Runtime requirement: The repository README says the application supports Java 11 and up.
Web UI: The WebUI README says the interface interacts with the OpenAS2 REST API and can be served by web servers including Nginx, Apache, Tomcat, and Wildfly.
Web UI limitation: The WebUI README says the package is deprecated, not actively maintained or supported, and will be removed from the repository in the near future.
Configurable modules: The sample configuration includes sender and receiver modules, message and MDN storage, database tracking, and a directory resender for failed transmissions.
Database integration: The sample configuration uses an embedded H2 database by default for message tracking and allows that setting to be changed for other databases.
Health monitoring: The sample configuration includes a health-check module to monitor the OpenAS2 server, disabled by default.
Support: The project’s support page directs users to GitHub Issues and lists legacy discussion forums and mailing lists as other help resources.
Intended audience: The project listing identifies Information Technology as its intended audience.

Where it ranks on Freedom251

Best Electronic Data Interchange Software in 2026#7 of 29

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Sources

github.com/OpenAS2/OpenAs2App· checked 4 Oct 2026
github.com/OpenAS2/OpenAs2App/blob/master/WebUI/RE· checked 4 Oct 2026
github.com/OpenAS2/OpenAs2App/blob/master/Server/s· checked 4 Oct 2026
sourceforge.net/projects/openas2/support· checked 4 Oct 2026
sourceforge.net/projects/openas2/files/LICENSE.txt/down· checked 4 Oct 2026