Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API. It includes incremental map / reduce mechanics for queries and keeps data safe with an append-only datastore.

BigchainDB is described as 'With high throughput, sub-second latency and powerful functionality to automate business processes, BigchainDB looks, acts and feels like a database with added blockchain characteristics' and is an app in the bitcoin & cryptocurrency category. There are nine alternatives to BigchainDB for a variety of platforms, including Mac, Windows, Linux, Self-Hosted and SaaS apps. The best BigchainDB alternative is CouchDB, which is both free and Open Source. Other great apps like BigchainDB are Apache Cassandra, Couchbase, RethinkDB and chainifyDB.
Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API. It includes incremental map / reduce mechanics for queries and keeps data safe with an append-only datastore.

The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.

Couchbase is the NoSQL database market share leader, with production deployments at AOL, Deutsche Post, NTT Docomo, Salesforce.com, Turner Broadcasting Systems, Zynga and hundreds of other organizations worldwide.

ChainifyDB is a blockchain solution for databases. It provides a layer in which databases can be plugged into the ChainifyDB network and synchronizes the databases’ records within the network of plugged databases.
Modex Blockchain Database (BCDB) is a hybrid data storage system that combines standard database engines with blockchain frameworks to add unique custom-built functionalities that turn the technology into an effective tool in an enterprise context.




CovenantSQL provides decentralized, immutable, and serverless support to ÐApps and non-blockchain projects. CovenantSQL aims to build a better infrastrcture that allows you to have full control over your data and reduces your migration cost.
Postchain is a modular framework for implementing custom blockchains. Particularly, it’s geared towards consortium blockchains (also known as permissioned, enterprise, private, federated blockchains, and, sometimes, distributed ledger technology).
ProvenDB uses Blockchain technology to create the world’s first genuinely trustworthy data platform. ProvenDB is for regulated industries or wherever impeccable data integrity is crucial.