Startup · United States

Harper

HQ Denver, United StatesFounded 201711-50 employees

Develops a unified software runtime combining database, cache, application logic and messaging.

Products2

A unified runtime that combines database, cache, application logic, and messaging in one platform.

Maturity not rated

A shared memory layer for AI tools and agents that stores structured knowledge in a vector index.

Maturity not rated

Newest unveiled first. Open a product for its milestone timeline, components and sources.

1
DatabaseSixth-Domain public startup directory
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "94029032-4b67-4b64-a171-9591891bc166", "name": "HarperDB"}”
2
DatabaseHarper - LinkedIn company profile
LinkedIn · Supports Organization · country, Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url
“country: US”

3
CompanyHarper: One Runtime for Apps, Agents, and Data
Harper · Supports Organization · description, Organization · name, Organization · website, System
“Harper replaces the stack of point solutions behind most apps. Database, cache, application logic, and messaging run in one unified, opinionated runtime that keeps data in the same process as code. Higher throughput, lower latency, lower cost: data access in about a millisecond and up to 85% fewer LLM and origin calls at scale. Get Started Schedule a Demo”

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