Loading
Harper
Harper is a high-performance development platform that integrates database, cache, application logic, and messaging into a single runtime. Originally launched as HarperDB in 2017, the company rebranded to Harper in March 2025 to reflect its evolution into a full-stack application delivery platform. Headquartered in Denver, Colorado, Harper's core technology was open-sourced in October 2025. The platform features a unified runtime that supports both NoSQL and SQL operations, real-time communication, and advanced capabilities like SEO optimization and performance enhancements. Harper's managed cloud deployment platform, Harper Fabric, offers a cloud-hosted solution for teams. The company serves enterprise teams and organizations that require fast, resilient backends for data-intensive applications, particularly those building AI-native applications and facing challenges with distributed data infrastructures. Harper has received recognition for its innovative solutions, winning two Data Breakthrough Awards in 2026.
Funding
Every round, secondary, debt facility or acquisition involving Harper that Lounge tracks, newest first.
No rounds recorded yet.
Paid members see the full deals desk — every AI round and exit, filterable by type, sector and country, with investors and reported ARR, plus CSV exports. Developer membership is $9/mo.
See plans →Log inKey numbers
—
0
—
$7M