This open source Node.js performance platform consolidates database, cache, application, and messaging layers into a unified in-memory runtime, enabling developers to build, deploy, and scale high-performance applications globally with minimal latency. Its main features include advanced caching techniques such as page caching and prerendering, real-time data querying through GraphQL and REST endpoints, edge-native redirect management, and tools for optimizing web performance via Early Hints and semantic caching, effectively solving problems related to slow load times, inefficient backend communication, and complex redirect handling for web developers, enterprise engineers, and organizations seeking to improve website speed, reliability, and user engagement.

Harper can be found in Load & Performance Testing categories.

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Year Established: 2017
Pricing: From $0/mo
Consumer Type: B2B
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