Ask HN: Free and open source distributed database written in C++ or C

• ydb

  0 3,069 0.0 C++

  YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions

  

• yugabyte-db

  31 8,086 10.0 C

  YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

  

  https://www.yugabyte.com - Postgres fronted distributed OLTP database

  I work there (300+ ppl). It's primarily open source. It makes money through support contracts and cloud hosting, but all core development is done in the open.

• Mergify

  blog.mergify.com

  sponsored

  Updating dependencies is time-consuming.. Solutions like Dependabot or Renovate update but don't merge dependencies. You need to do it manually while it could be fully automated! Add a Merge Queue to your workflow and stop caring about PR management & merging. Try Mergify for free.

  

• Scylla

  5 11,081 10.0 C++

  NoSQL data store using the seastar framework, compatible with Apache Cassandra

  

  Never used it before but check out https://github.com/scylladb/scylla

  I have a lot of experience with Cassandra though.

• dqlite

  5 3,538 0.0 C

  Embeddable, replicated and fault tolerant SQL engine.

  

• scaliendb

  1 83 10.0 C++

  ScalienDB is a scalable, replicated datastore.

• ClickHouse

  106 30,963 10.0 C++

  ClickHouse® is a free analytics DBMS for big data

  

• redpanda

  27 7,747 9.9 C++

  Redpanda is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!

  

  Went searching for https://redpanda.com/ and couldn't find it in the DB, fyi :)

  Not affiliated, just saw the Jepsen report posted here a few weeks ago.

• InfluxDB

  www.influxdata.com

  sponsored

  Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.

  

• rupy

  6 133 0.0 Java

  HTTP App. Server and JSON DB - Shared Parallel (Atomic) & Distributed

  I have one in Java: https://github.com/tinspin/rupy

  Here is the 2000 lines of code of the entire database: http://root.rupy.se/code?path=/Root.java

  And here you can try it out: http://root.rupy.se

• Aerospike

  5 893 0.0 C

  Aerospike Database Server – flash-optimized, in-memory, nosql database

  

  Scylla's main competitor in replacing C* with native code.

  https://github.com/aerospike/aerospike-server

• MySQL

  41 9,552 9.7 C++

  MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

  

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