Another SQLite interface, which works with version 3 and is CMUCL specific, can be found at http://www.randallsquared.com/download/sqlite/cmucl-sqlite3/ . It's in the Public Domain.
CLSQL claims to support SQLite 2, and has some level of support for SQLite 3.
clisp-sqlite is a clisp-specific binding for sqlite, with some extra sugar.
cl-sqlite is a portable binding to SQLite3 (using CFFI).
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