For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
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High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios
Open-source vector similarity search for Postgres
- nearest-neighbor-search
- approximate-nearest-neighbor-search
Open-source, low-latency key/value engine built on Valkey with query subscriptions and hierarchical storage tiers.
SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.
OrioleDB – building a modern cloud-native storage engine (... and solving some PostgreSQL wicked problems)
- postgresql
- postgresql-extension
- table-access-method
- orioledb
MongoDB-compatible database engine for cloud-native and open-source workloads. Built for scalability, performance, and developer productivity.
Unofficial git mirror of SQLite sources (see link for build instructions)
A minimal but extreme fast B+ tree indexing structure demo for billions of key-value storage
Columnar storage extension for Postgres built as a foreign data wrapper. Check out https://github.com/citusdata/citus for a modernized columnar storage implementation built as a table access method.
- postgresql
- compression
- columnar-store
- columnar-storage
A lightweight replication manager for PostgreSQL (Postgres)
- repmgr
- replication
- postgresql
- postgres
Postgres extension and service for automated failover and high-availability
- postgresql
- postgres
- postgresql-extension
- high-availability
Lightning-fast file system indexer and search tool
Trilogy is a client library for MySQL-compatible database servers, designed for performance, flexibility, and ease of embedding.
plpgsql_check is a linter tool (does source code static analyze) for the PostgreSQL language plpgsql (the native language for PostgreSQL store procedures).
- plpgsql
- postgresql
- extension
- c
Nginx module for serving files from MongoDB's GridFS
SiriDB is a highly-scalable, robust and super fast time series database. Build from the ground up SiriDB uses a unique mechanism to operate without a global index and allows server resources to be added on the fly. SiriDB's unique query language includes dynamic grouping of time series for easy analysis over large amounts of time series.
- ticker-data
- siridb-server
- time-series
- timeseries
BloomFilter(s) in Ruby: Native counting filter + Redis counting/non-counting filters
Collects PostgreSQL statistics, and either saves them in CSV files or print them on the stdout