Free
Free
Apache-2.0/MIT licensed open source software with public source and documentation on the product site.
- Access
- Apache-2.0/MIT licensed open source software with public source and documentation on the product site.
Finding the possibilities
MongrelDB
● Identity checkedDatabase · Vendor site 2026-10-04
MongrelDB is an open source embedded Rust database that combines operational writes, DataFusion SQL, columnar analytics, full-text search, vector retrieval, and optional encrypted storage in one local engine.
- Category
- Database
- Free access
- Apache-2.0/MIT licensed open source software with public source and documentation on the product site.
- API access
- Homepage documents SQL via DataFusion, Arrow IPC batches, and NAPI bindings for Node.js.
Is MongrelDB right for you?
A good fit for
Application developers who need hybrid search and analytics locally without operating separate database services.
Before you choose
Embedded deployment model; the site does not list hosted cloud tiers or monthly SaaS pricing.
Embedded hybrid database
MongrelDB targets apps that need SQL, vectors, text search, and encrypted local storage in one open source embedded engine rather than multiple external services.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Hybrid indexing | Site describes bitmap, PGM, HNSW, sparse, and MinHash indexes sharing a common RowId space. | Facts sourced | 2026-10-04 |
| Storage model | Marketing copy cites a WAL and memtable in front of immutable PAX-columnar runs. | Facts sourced | 2026-10-04 |
| Transactions | Homepage notes multi-table ACID transactions with ReadCommitted, RepeatableRead, or Serializable isolation. | Facts sourced | 2026-10-04 |
Understand the total cost
MongrelDB pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is MongrelDB used for?
MongrelDB is an open source embedded Rust database that combines operational writes, DataFusion SQL, columnar analytics, full-text search, vector retrieval, and optional encrypted storage in one local engine.
Does MongrelDB have a free plan?
Apache-2.0/MIT licensed open source software with public source and documentation on the product site.. This record lists ongoing free access; check the plan limits before starting.
How much does MongrelDB cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use MongrelDB through an API?
Homepage documents SQL via DataFusion, Arrow IPC batches, and NAPI bindings for Node.js.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Embedded deployment model; the site does not list hosted cloud tiers or monthly SaaS pricing.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.