ElastAlert is a simple framework for alerting on anomalies, spikes, or other patterns of interest from data in Elasticsearch. ElastAlert works with all versions of Elasticsearch. If you have data being written into Elasticsearch in near real time and want to be alerted when that data matches certain patterns, ElastAlert is the tool for you. If you can see it in Kibana, ElastAlert can alert on it.

Elastalert - Easy & Flexible Alerting With ElasticSearch

Searchkit is a tool allowing you can quickly build a search experience using predefined GraphQL resolvers and React components. Built on the top of Apollo GraphQL, React & Elasticsearch, Searchkit makes building a high-quality API a lot easier. The library provides GraphQL resolvers dedicated to handling the most common use cases you could think of when using filtering oriented API beginning with basic operations such as simple querying, ending on more tricky ones such as efficient facet filtering or pagination.

Searchkit - GraphQL API & React UI components for Elasticsearch.

Qdrant ( quadrant ) is a vector similarity search engine. It provides a production-ready service with a convenient API to store, search, and manage points - vectors with an additional payload. Qdrant is tailored to extended filtering support. It makes it useful for all sorts of neural-network or semantic-based matching, faceted search, and other applications. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more.
 
The neural search uses semantic embeddings instead of keywords and works best with short texts. With Qdrant and a pre-trained neural network, you can build and deploy semantic neural search on your data in minutes.

Qdrant ( quadrant ) is a vector similarity search engine. It provides a production-ready service with a convenient API to store, search, and manage points - vectors with an additional payload. Qdrant is tailored to extended filtering support. It makes it useful for all sorts of neural-network or semantic-based matching, faceted search, and other applications. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more.

Qdrant - Neural Search Engine, Vector Similarity Search Engine with extended filtering support

JanusGraph is a highly scalable graph database optimized for storing and querying large graphs with billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users, complex traversals, and analytic graph queries.
<ul>
 <li>Elastic and linear scalability for a growing data and user base.</li>
 <li>Data distribution and replication for performance and fault tolerance.</li>
 <li>Multi-datacenter high availability and hot backups.</li>
</ul>

JanusGraph is a highly scalable graph database optimized for storing and querying large graphs with billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users, complex traversals, and analytic graph queries.

JanusGraph - Distributed graph database

hawtio is a lightweight and modular HTML5 web console with lots of plugins for managing your Java stuff. It provides web console for Active MQ, Elastic search, Apache Camel, Apache CXF, Git, Fuse Fabric, Infinispan, Jetty, JMX, Quartz, Tomcat, Wiki, JVM, Junit and lot more. You can dynamically extend hawtio with your own plugins or automatically discover plugins inside the JVM.
 
The only server side dependency (other than the static HTML/CSS/JS/images) is the excellent Jolokia library which has small footprint (around 300Kb) and is available as a JVM agent, or comes embedded as a servlet inside the hawtio-default.war or can be deployed as an OSGi bundle.

hawtio is a lightweight and modular HTML5 web console with lots of plugins for managing your Java stuff. It provides web console for Active MQ, Elastic search, Apache Camel,  Apache CXF, Git, Fuse Fabric, Infinispan, Jetty, JMX, Quartz, Tomcat, Wiki, JVM, Junit and lot more.  You can dynamically extend hawtio with your own plugins or automatically discover plugins inside the JVM.

hawtio - A modular web console for managing your Java stuff

Haystack is an end-to-end framework that enables you to build powerful and production-ready pipelines for different search use cases. Whether you want to perform Question Answering or semantic document search, you can use the State-of-the-Art NLP models in Haystack to provide unique search experiences and allow your users to query in natural language. Haystack is built in a modular fashion so that you can combine the best technology from other open-source projects like Huggingface's Transformers, Elasticsearch, or Milvus.
 
Haystack can perform semantic search and retrieve documents according to meaning, not keywords. It can ask questions in natural language and find granular answers in your documents. It can automate processes by automatically applying a list of questions to new documents and using the extracted answers.

Haystack is an end-to-end framework that enables you to build powerful and production-ready pipelines for different search use cases. Whether you want to perform Question Answering or semantic document search, you can use the State-of-the-Art NLP models in Haystack to provide unique search experiences and allow your users to query in natural language. Haystack is built in a modular fashion so that you can combine the best technology from other open-source projects like Huggingface's Transformers, Elasticsearch, or Milvus.

Haystack - Build a natural language interface for your data

Reactivemaps is a React based components library for building realtime maps. It is built on top of the appbase.io realtime DB service and ships with 20+ components for Lists, Dropdowns, Numeric Range, Sliders, Data Search, Places Search, Distance Slider and Dropdowns, Calendars, Feeds and Maps.

Reactivemaps - A data aware UI components library for building realtime maps

A React components library for building Airbnb / Yelp like search experiences. It is a React components library for building realtime search experiences. It is built on top of the appbase.io realtime DB service and ships with 25+ components for Lists, Dropdowns, Range Sliders, Data Search, Multi Level Menu, Calendars, Feeds Maps, Ratings Filter, Result Cards and Result Lists.
 
It has support for own declarative API to query Elasticsearch, which is called ReactiveSearch API. Query generation happens on the server-side, addressing the primary security concern around query injection.

A React components library for building Airbnb / Yelp like search experiences. It is a React components library for building realtime search experiences. It is built on top of the appbase.io realtime DB service and ships with 25+ components for Lists, Dropdowns, Range Sliders, Data Search, Multi Level Menu, Calendars, Feeds Maps, Ratings Filter, Result Cards and Result Lists.

Reactivesearch - A React components library for building awesome search UIs

Tools for moving and saving indicies.elasticdump works by sending an input to an output. Both can be either an elasticsearch URL or a File.

elasticsearch-dump - Import and export tools for elasticsearch

The APM Server receives data from APM agents and transforms them into Elasticsearch documents. It does this by exposing an HTTP server endpoint to which agents stream the APM data they collect. After the APM Server has validated and processed events from the APM agents, the server transforms the data into Elasticsearch documents and stores them in corresponding Elasticsearch indices.

Elastic APM Server - Receives data from the Elastic APM agents and stores the data into Elasticsearch

Official low-level client for Elasticsearch. Its goal is to provide common ground for all Elasticsearch-related code in PHP; because of this it tries to be opinion-free and very extendable.To maintain consistency across all the low-level clients (Ruby, Python, etc), clients accept simple associative arrays as parameters. All parameters, from the URI to the document body, are defined in the associative array.

elasticsearch-php - Official PHP low-level client for Elasticsearch.

Kibi extends Kibana 5.5.2 with data intelligence features; the core feature of Kibi is the capability to join and filter data from multiple Elasticsearch indexes and from SQL/NOSQL data sources ("external queries").In addition, Kibi provides UI features and visualizations like dashboard groups, tabs, cross entity relational navigation buttons, an enhanced search results table, analytical aggregators, HTML templates on query results, and much more.

kibi - Kibi is a friendly - kept in sync - Kibana fork which add support for joins across indexes and external sources, tabbed navigation interface and more

Heroic is a scalable time series database based on Bigtable, Cassandra, and Elasticsearch.  It is an open-source monitoring system originally built at Spotify to address the problems that were facing with large scale gathering and near real-time analysis of metrics. 

Heroic - The Time Series Database

Elassandra is a fork of Elasticsearch modified to run as a plugin for Apache Cassandra in a scalable and resilient peer-to-peer architecture. Elasticsearch code is embedded in Cassanda nodes providing advanced search features on Cassandra tables and Cassandra serve as an Elasticsearch data and configuration store. It supports Cassandra vnodes and scales horizontally by adding more nodes.
 
Elassandra supports Full-text search, Spatial search, Real-time aggregation on your Cassandra data. Elassandra is a sharded multi-master database, where Elasticsearch is sharded master-slave, Thus, Elassandra has no Single Point Of Write, helping to achieve high availability.

Elassandra is a fork of Elasticsearch modified to run as a plugin for Apache Cassandra in a scalable and resilient peer-to-peer architecture. Elasticsearch code is embedded in Cassanda nodes providing advanced search features on Cassandra tables and Cassandra serve as an Elasticsearch data and configuration store. It supports Cassandra vnodes and scales horizontally by adding more nodes.

Elassandra - Elasticsearch + Apache Cassandra

Rally is the macrobenchmarking framework for Elasticsearch. It helps to setup and teardown of an Elasticsearch cluster for benchmarking, Running benchmarks and recording results, Finding performance problems by attaching so-called telemetry devices, Management of benchmark data and specifications even across Elasticsearch versions and lot more.

Rally - Macrobenchmarking framework for Elasticsearch

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