whichdb

Data model

Ledger databases

Immutable, verifiable histories and double-entry accounting with strict guarantees. The leading options are TigerBeetle, immudb and BigchainDB.

Refine with smart matchCompare top 3

7 active · ordered by fit for this category, then WhichDB Score

TigerBeetleLedgeropen source

Purpose-built financial transactions database: double-entry accounts and transfers at very high throughput.

19.2
immudbLedger

Immutable, tamper-evident database with cryptographic proofs, offering key-value, SQL and document APIs.

17.2
BigchainDBLedgeropen source

Blockchain-style database combining MongoDB storage with Tendermint BFT consensus; dormant since 2020.

11.1
Azure SQL DatabaseRelationalmanaged

Microsoft's always-current managed SQL Server engine, from free serverless databases to 128 TB Hyperscale.

33.9
FlureeDBRDF / Triple Store

Immutable RDF graph database with time travel, git-style branching, SPARQL, JSON-LD and Cypher.

5.3
CovenantSQLRelationalopen source

Byzantine-fault-tolerant, blockchain-backed SQL database built on SQLite; dormant since 2021.

3.8
TransbaseRelational

Compact German SQL RDBMS from Transaction Software, with a Z-curve multidimensional index (Hypercube).

2.5

deprecated, discontinued & research · 1

Amazon QLDB discontinued

related

Ledger & accounting →Transactional apps (OLTP) →Vector search →Event sourcing →Hybrid (HTAP) →Content & catalogs →Knowledge graph →Graph traversal →

license legend · Open source (permissive) · Open source (copyleft) · Source-available · Proprietary