Stars
Free and Open Source, Distributed, RESTful Search Engine
The official home of the Presto distributed SQL query engine for big data
Apache Pulsar - distributed pub-sub messaging system
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
🚀 Lightning fast and elegant mvc framework for Java8
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
A high performance replicated log service. (The development is moved to Apache Incubator)
A novel implementation of the Raft consensus algorithm
Content Based Image Retrieval Plugin for Elasticsearch. It allows users to index images and search for similar images.
The dynamic synonym plugin adds a synonym token filter that reloads the synonym file(local file or remote file) at given intervals (default 60s).
Grabs the dominant color or a representative color palette from an image. A very fast Java port of Lokesh Dhakar's JavaScript version.
[This is the old, single node version for Elasticsearch 2.x, see the latest "Siren Federate" plugin for distributed Elasticsearch 5.x and 6.x capabilities]
Various utilities regarding Levenshtein transducers. (Java)
Similarity is an optical as well as keyword based image similarity search engine built on top of Lire.
Multi-language, Multi word, utf-8 spelling correction server using a levenshtein automaton and a Trie.
Highly available GTID-only mysql binlog to kafka replicator
Elasticsearch proxy for window based result diversification