Clockwork Labs
SpacetimeDB creator enabling real-time distributed state for AI applications
Updated April 2026
Overview
- Website
- spacetimedb.com
- Segment
- Data Platforms & Warehouses
- Posture
- Specialized DB
Product overview
Clockwork Labs is the company behind SpacetimeDB, a unified database and server system written in Rust. SpacetimeDB combines relational database functionality with embedded server logic through stored procedures called 'reducers' and real-time subscription queries, enabling developers to build multiplayer applications and games with significantly improved performance compared to traditional database-server architectures.
Revenue model
Freemium model with free tier offering 65+ million reducer calls, pro tier with advanced features like replication and analytics, and team tier for larger organizations. Cloud deployment through Maincloud service.
Moat
Clockwork Labs's key competitive moat lies in its proprietary technology for building large-scale distributed systems enabling massively-multiplayer societal games with sandbox environments, free trade, and emergent player-driven collaboration, developed by a team of industry veterans from Ubisoft, Bloomberg, Apple, and MZ with expertise in high-throughput systems and machine learning. This is bolstered by strong network effects from social cooperation in persistent virtual worlds and backing from top investors like Supercell and angels from EVE Online and Unity, creating barriers through technical execution challenges and early-mover talent concentration.
Headwinds
Novel database architecture faces adoption challenges against established database systems and cloud platforms.