C ClickHouse, Inc. · Analytical engines & OLAP
In-depth entry Open-source columnar OLAP database server for fast aggregations over billions of rows, with MergeTree storage, SQL and a managed ClickHouse Cloud
Apache-2.0 Open source Free Local Self-hosted Nov 2, 2026N Neon (Databricks) · Relational databases
Serverless PostgreSQL service with separated storage and compute, instant database branching and scale-to-zero, now part of Databricks
Apache-2.0 Freemium Paid Nov 2, 2026S Supabase Inc. · Relational databases
Open-source backend platform built around a dedicated PostgreSQL database with auto-generated APIs, authentication, file storage, realtime subscriptions and edge functions
Apache-2.0 Open source Freemium Self-hosted Nov 2, 2026