Eclipse Foundation has released Open VSX 1.0.0, marking the maturity of its vendor-neutral extension registry that now serves more than 600 million downloads per month across VS Code-compatible developer tools.
Eclipse Foundation has announced Open VSX 1.0.0, positioning the milestone as a sign of ecosystem maturity rather than a conventional feature release. The project, described as “a vendor-neutral open-source alternative to the Visual Studio Marketplace,” has become a key part of the VS Code-compatible tooling ecosystem.
Created to give vendors access to the VS Code extension ecosystem without depending on a marketplace controlled by a single company, Open VSX is governed as an open-source project and operates independently of Microsoft’s marketplace. Eclipse said the registry now delivers more than 600 million extension downloads every month, serving editors, IDEs, cloud development environments, and AI-powered developer tools.
According to the foundation, Open VSX emerged as demand grew for a registry that could support tools built around the widely adopted VS Code extensibility model while avoiding reliance on a single vendor. The project provides infrastructure for extension publishing, discovery, distribution, and consumption across VS Code-compatible environments.
Originally founded by Miro Spönemann, Jan Bicker, and the team at TypeFox, the project came under Eclipse Foundation stewardship in 2021. Initially created for the Eclipse Theia ecosystem, it has since expanded to support a broad range of platforms, including Salesforce Code Builder, Google Cloud Workstations, Gitpod, SAP Business Application Studio, and Eclipse-based applications.
The 1.0.0 release adds read-only mode, TLS-secured Redis connections, security hardening, operational reliability improvements, and deployment enhancements. Eclipse said the milestone “marks more than a collection of features or bug fixes” and reflects “years of collaboration, thousands of commits, countless discussions, and a shared belief that an idea is worth building together.”
