- anardb - anardb: Atomic, consistent, isolated, durable multi-process safe Lisp object serialisation
- bknr-datastore - bknr-datastore is the ObjectStore used in bknr
- cl-prevalence - cl-prevalence is an implementation in Common Lisp of the Object Prevalence concept using both XML and s-expression based serialization
- CommonLispPrevalence - A way to let your lisp environment be your Database
- de.setf.resource - de setf resource implements transparent, transactional persistence of CLOS objects to several RDF stores
- Elephant - [unmaintained] A portable object database based on Sleepycat (Berkeley DB) or relational databases
- manardb - manardb: Fast, persistent, mmap'd Lisp object store
- plank - planks is a 100% portable common lisp ObjectStore
- stassats-storage - stassats-storage is a CLOS ObjectStore
- SW-DB - Storage and persistence using SW-STM (handles concurrency wrt caching) and SW-MVC (reactive or data-flow oriented programming) with a PostgreSQL (via Postmodern) back-end
- weblocks-stores - weblocks-stores: Single api for few stores (cl-prevalence, CLSQL, Elephant, postmodern, custom memory store)
ObjectStore
CLOS databases.