ClickHouse clickhouse.com ↗

Vertica Databases

A commercial columnar analytics database.

DuckDB Databases

An in-process analytical SQL database.

ClickHouse Playground ↗Databases

A public ClickHouse instance that includes a real-time updated Hacker News dataset.

BigQuery Databases

Google Cloud's serverless data warehouse.

Litestream Databases

A tool that continuously replicates SQLite databases to object storage like S3.

ccusage Observability

A CLI that estimates Claude Code usage costs from local logs.

duckdb-wasm Databases

DuckDB compiled to WebAssembly for in-browser querying.

PostgreSQL Databases

An open-source relational database server.

BigQuery

Google Cloud's serverless data warehouse.

ClickHouse Playground ↗

A public ClickHouse instance that includes a real-time updated Hacker News dataset.

DB Pro ↗

A database client and studio that can be deployed in one click.

DBeaver

Universal database GUI client.

DuckDB

An in-process analytical SQL database.

Jepsen ↗

Jepsen is a testing library and consultancy that analyses the safety of distributed databases.

Litestream

A tool that continuously replicates SQLite databases to object storage like S3.

PgDog

A connection pooler and proxy for PostgreSQL.

Pigsty

A distribution for deploying and managing self-hosted PostgreSQL.

SQLancer

An automated tool for finding logic bugs in database management systems by generating queries.

SQLite

An embedded SQL database engine with an FTS5 full-text search extension.

Snowflake ID ↗

A time-based distributed ID format originally created at Twitter.