Graph database optimized for fast analysis
AgensGraph, a transactional graph database based on PostgreSQL
Open-source time-series database with high-performance and scalability
Leading open-source visualization and observability platform
Cross-platform database framework developed by WeChat
Postgres-native columnar storage extension
RAQUEL : "Relational Algebra Query, Update and Executive Language"
FWSQL is a SQL firewall. It learn, analyze and block SQL query