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QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
🔎 Open source distributed and RESTful search engine.
- search
- search-engine
- analytics
- java
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
JanusGraph: an open-source, distributed graph database
- graph-database
- tinkerpop
- gremlin
- hbase
Main Liquibase Source
- java
- liquibase
- database-migrations
- java-library
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
An open source clone of Amazon's Dynamo.
Apache Solr open-source search software
- lucene
- solr
- search
- nosql
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
- xquery
- java
- temporal-data
- storage
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
Esper Complex Event Processing, Streaming SQL and Event Series Analysis
- cep
- complex-event-processing
- open-source
- compiler
ATTENTION: This repository is a clone of https://gitlab.structr.com/structr/structr. All development/issue tracking has moved there. | Structr is an integrated open-source low-code development and runtime environment that uses a graph database (Neo4j).
- low-code
- low-code-development-platform
- productivity
- frontend-framework
OME (Open Microscopy Environment) develops open-source software and data format standards for the storage and manipulation of biological light microscopy data. A joint project between universities, research establishments and industry in Europe and the USA, OME has over 20 active researchers with strong links to the microscopy community. Funded by private and public research grants, OME has been a major force on the international microscopy stage since 2000.
- omero
- java
- python
- server
The legacy distributed object storage server developed by PitchPoint Solutions can store billions of large and small files using minimal resources. Object data is stored in replicated volumes implemented like Facebooks Haystack Object Store. Object metadata which essentially maps an object name to a volume position is stored in an elasticsearch index. (Development by PitchPoint Solutions has been discontinued)
- distributed-storage
- distributed-systems
- vertx
- rxjava
Flume NG MongoDB source.
- flume
- sink
- mongodb
Externalized Properties is powerful configuration library which supports resolution of properties from external sources such as files, databases, git repositories, and any custom sources
- configuration
- feature-flags
- feature-toggles
- java
Relational database access made simpler and safer
- open-source
- accessing-databases
- java
- sql
new Db4o GPL Source Code for Java7+ & .netstardard2.0 Android Xamarin..., the best database project to help you to learn how to make databases
- oodb
- db4o
- database
- java
Persistence for REST resources in the filesystem or a redis database