Harper is Officially Open Source

Harper has announced the open-sourcing of its core technology, a composable full-stack web application platform, at JSConf North America 2025, aiming to foster innovation and wider adoption within the Node.js developer community. The platform, known for its low-latency and high-performance capabilities, integrates database, cache, messaging, and Node.js runtime into a single server-side process, facilitating significant performance improvements for data-intensive applications, including e-commerce sites. By releasing the source code under the Apache 2.0 license, Harper enables developers to deploy the platform in various environments and build commercial solutions, while continuing to offer enterprise-grade support for production use. CEO Stephen Goldberg emphasized the company's commitment to openness and collaboration, inviting developers to contribute to the evolution of edge-native applications. Harper's technology promises substantial performance gains, such as faster page loads and improved Largest Contentful Paint metrics, translating to increased engagement and revenue growth for clients.

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