free tools

10 alternatives to duckdb

duckdb/duckdb — DuckDB is a high-performance analytical database system (42,334 stars, MIT, database, dev-tools, files).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 3,000 licence-cleared components from duckdb/duckdb itself.

#RepoScoreLicenceStars
1go-sql-driver/mysql8.2MPL-2.015,274
2timescale/timescaledb6.1Apache-2.023,734
3typicode/lowdb8.8MIT22,586
4sqlalchemy/sqlalchemy7.7MIT12,253
5etcd-io/etcd6.9Apache-2.052,412
6rqlite/rqlite7.7MIT17,867
7xtdb/xtdb4.7MPL-2.03,091
8mike-paper/pulse4.3MIT166
9neondatabase/neon7.0Apache-2.023,257
10xsam/otelsql4.8Apache-2.0422

The alternatives in detail

Licence data: JustClaw-It's per-repo licence policy. Is duckdb still maintained? Check it. Licence details: licence checker. Ranking data from 2026-10-29T06:21:36Z.

Want code like duckdb without the licence risk? JustClaw-It is an MCP server with 1,518,000+ licence-cleared, quality-scored code components. Search is free; every result carries its licence and attribution.

Remote MCP endpoint: https://justclaw.it.com/mcp (API key auth). Works with Claude Code, Cursor, Codex, Windsurf and other MCP clients. A one-line CLI installer (@justclaw-it/cli) is coming.

Get a free API key Read the docs