PUBLIC MARKS with tags sql & "open source"

The SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.

Sphinx is a standalone search engine, meant to provide fast, size-efficient and relevant fulltext search functions to other applications. Sphinx was specially designed to integrate well with SQL databases and scripting languages. Currently built-in data sources support fetching data either via direct connection to MySQL or PostgreSQL, or using XML pipe mechanism (a pipe to indexer in special XML-based format which Sphinx recognizes).