Free and Open Source, Distributed, RESTful Search Engine
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Translated🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.
- elasticsearch
- ik-analysis
- analyzer
- java
Apache Doris is a real-time analytics and hybrid search database for AI agents.
- olap
- database
- hudi
- iceberg
🔎 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.
Alluxio, data orchestration for analytics and machine learning in the cloud
The AI search platform
- vespa
- search-engine
- big-data
- ai
Use SQL to query Elasticsearch
Apache Pinot: a real-time analytics database for low-latency SQL and vector search, serving user-facing and agent-facing applications
JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
JanusGraph: an open-source, distributed graph database
- graph-database
- tinkerpop
- gremlin
- hbase
Main Liquibase Source
- java
- liquibase
- database-migrations
- java-library
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.
Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance
Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.
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.
Elassandra = Elasticsearch + Apache Cassandra
- cassandra
- elasticsearch
- search
- completion
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
A flexible, partial, out-of-order and real-time typeahead search library