Free
Free
LMDB open-source software is available from the OpenLDAP project with public documentation on symas.com.
- Access
- LMDB open-source software is available from the OpenLDAP project with public documentation on symas.com.
Database · Vendor site 2026-10-04
LMDB (Lightning Memory-Mapped Database) is an embedded key-value store developed by Symas for the OpenLDAP Project. It combines memory-mapped performance with ACID transactions, MVCC readers, and compact on-disk representation for embedded workloads.
Understand the total cost
Free
Free
LMDB open-source software is available from the OpenLDAP project with public documentation on symas.com.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. LMDB has an ongoing free plan. LMDB open-source software is available from the OpenLDAP project with public documentation on symas.com.
LMDB is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Symas publishes C API documentation and man pages for embedding LMDB in applications.