Showing 412 open source projects for "query"

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    DbTpl

    DbTpl

    Command line tool to generate idiomatic Go code for SQL databases

    dbtpl is a Go-based tool that brings templated SQL into your codebase in a clean and structured way. It allows developers to define raw SQL queries in .tpl.sql files and compile them into Go code with strong typing and minimal overhead. By combining SQL’s power with Go’s safety and performance, dbtpl is ideal for teams that want full SQL control without sacrificing maintainability.
    Downloads: 0 This Week
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    EfficientDynamoDb

    EfficientDynamoDb

    High-performance C# DynamoDb library

    EfficientDynamoDb is a high-performance, low-level DynamoDB client for .NET, designed to offer better efficiency and flexibility compared to AWS's official SDK. It provides improved memory management, reduced allocations, and a fluent API for seamless integration with DynamoDB services.
    Downloads: 0 This Week
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  • 3
    ArangoDB JavaScript Driver

    ArangoDB JavaScript Driver

    The official ArangoDB JavaScript driver

    ArangoJS is the official JavaScript client for ArangoDB, a multi-model NoSQL database that supports document, key-value, and graph data models. This client provides a powerful yet simple API to interact with ArangoDB from Node.js or browser-based applications.
    Downloads: 0 This Week
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  • 4
    Vespa

    Vespa

    The open big data serving engine

    ...This makes it easy to create high-performing search applications at any scale, whether you want to use traditional techniques or a modern vector-based approach. You can even combine both approaches efficiently in the same query, something no other engine can do. Recommendation, personalization and targeting involves evaluating recommender models over content items to select the best ones. Vespa lets you build applications which does this online, typically combining fast vector search and filtering with evaluation of machine-learned models over the items. ...
    Downloads: 5 This Week
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    Datalevin

    Datalevin

    A simple, fast and versatile Datalog database

    Datalevin is an open-source Datalog-based database written in Clojure that runs natively on top of LMDB. It supports full ACID transactions, schema-less EDN data storage, vector search with SIMD acceleration, and text-based querying. Usable as an embedded library or as a client/server database with RBAC access, it acts like SQLite or Datomic on a ledger of immutable datoms, plus modern features like vector and full-text search.
    Downloads: 0 This Week
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  • 6
    Google Node.js Datastore

    Google Node.js Datastore

    Node.js client for Google Cloud Datastore

    Google’s Node.js Datastore client is a library for interacting with Google Cloud Datastore, a fully managed NoSQL database. It enables developers to store and query structured data in a scalable and serverless manner. The library provides an easy-to-use API for integrating Datastore into Node.js applications.
    Downloads: 0 This Week
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  • 7
    Hydra Columnar

    Hydra Columnar

    Postgres-native columnar storage extension

    Hydra Columnar is an open-source columnar storage extension for PostgreSQL designed to deliver analytics performance on par with modern data warehouses. It integrates seamlessly with the PostgreSQL ecosystem, allowing users to benefit from columnar compression, vectorized execution, and late materialization without leaving their existing database setup. Hydra enables hybrid row-column storage, making it ideal for OLAP workloads on Postgres.
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  • 8
    FTLDNS

    FTLDNS

    The Pi-hole FTL engine

    Network-wide ad blocking via your own Linux hardware. FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole®'s Web interface. Fast, stats are read directly from memory by coupling our codebase closely with dnsmasq. Versatile, upstream changes to dnsmasq can quickly be merged in without much conflict. Lightweight, runs smoothly with minimal hardware and software requirements such as Raspberry Pi Zero. Interactive, our API can be used to interface with your...
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  • 9
    Couchbase Lite for iOS and MacOS

    Couchbase Lite for iOS and MacOS

    Lightweight, embedded, syncable NoSQL database engine for iOS and Mac

    ...Couchbase Lite is an embedded lightweight, document-oriented (NoSQL), syncable database engine. Couchbase Lite implementation is on top of Couchbase Lite Core, which is also a new cross-platform implementation of database CRUD and query features, as well as document versioning. You can use Carthage to install CouchbaseLite by adding it in your Cartfile.
    Downloads: 0 This Week
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  • 10
    RxRealm

    RxRealm

    RxSwift extension for RealmSwift's types

    The Realm Database Swift SDK enables mobile applications to access data stored in local realms. Optionally, interact with App Services features such as Functions, MongoDB Data Access, and authentication. The Realm Swift SDK supports Swift and Objective-C and provides SwiftUI-friendly property wrappers. With the Realm Swift SDK, you can access objects stored in a local instance of Realm Database. Create a new object as you would instantiate any other object. Then, pass it to Realm Database...
    Downloads: 0 This Week
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  • 11
    ShareDB

    ShareDB

    Realtime database backend based on Operational Transformation (OT)

    ShareDB is a realtime database backend based on Operational Transformation (OT) of JSON documents. It is the realtime backend for the DerbyJS web application framework. Realtime synchronization of any JSON document. Synchronous editing API with asynchronous eventual consistency. Projections to select desired fields from documents and operations. Middleware for implementing access control and custom extensions. Ideal for use in browsers or on the server. In-memory implementations of database...
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  • 12
    IndraDB

    IndraDB

    A graph database written in rust

    ...But if you're a rust developer that wants to embed a graph database directly in your application, you can use the library. IndraDB's original design is heavily inspired by TAO, facebook's graph datastore. In particular, IndraDB emphasizes simplicity of implementation and query semantics, and is similarly designed with the assumption that it may be representing a graph large enough that full graph processing is not possible. IndraDB departs from TAO (and most graph databases) in its support for properties. IndraDB offers a variety ways to work with it: as a server with cross-language support, as a rust library, and via CLI. ...
    Downloads: 0 This Week
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  • 13
    YugabyteDB

    YugabyteDB

    The high-performance distributed SQL database for global apps

    Microservices need a cloud-native relational database that is resilient, scalable, and geo-distributed. YugabyteDB powers your modern applications. Get instantly productive with a Postgres compatible RDBMS. YugabyteDB reuses PostgreSQL’s query layer and supports all advanced features. Scale-out and in with zero impact. Proven in production to scale beyond 300K TPS, over 100TB of data, and thousands of concurrent connections. Achieve continuous availability during infrastructure failures and on maintenance tasks such as software upgrades and distributed backups. Use powerful replication and data geo-partitioning capabilities to achieve the latency, resilience, and compliance your applications need. ...
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  • 14
    Citus

    Citus

    Distributed PostgreSQL as an extension

    ...Distributed tables are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage and I/O capacity. References tables are replicated to all nodes for joins and foreign keys from distributed tables and maximum read performance. Distributed query engine routes and parallelizes SELECT, DML, and other operations on distributed tables across the cluster. Columnar storage compresses data, speeds up scans, and supports fast projections, both on regular and distributed tables. You can use these Citus superpowers to make your Postgres database scale-out ready on a single Citus node.
    Downloads: 0 This Week
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  • 15
    Nebula Graph

    Nebula Graph

    A distributed, fast open-source graph database

    The graph database built for super large-scale graphs with milliseconds of latency. Optimized SUBGRAPH and FIND PATH for better performance. Optimized query paths to reduce redundant paths and time complexity. Optimized the method to get properties for better performance of MATCH statements. Nebula Graph adopts the Apache 2.0 license, one of the most permissive free software licenses in the world. Free as in freedom, because, under the Apache 2.0 license, you can use, copy, modify and redistribute Nebula Graph, even for commercial purposes, all without asking for permission. ...
    Downloads: 1 This Week
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  • 16
    ZeusDB Vector Database

    ZeusDB Vector Database

    Blazing-fast vector DB with similarity search and metadata filtering

    ...It combines high-performance approximate nearest neighbor indexes with clean APIs and metadata filtering so applications can retrieve semantically relevant items at low latency. The storage layer is designed for durability and growth, supporting sharding, replication, and background compaction while keeping query tails predictable. Developers get multiple ingestion paths—batch, streaming, and upsert—making it easy to keep embeddings synchronized as content changes. Hybrid search is a core design goal, allowing you to mix vector, keyword, and filter queries in a single request for practical relevance. Observability and safety round out the system, with metrics, tracing, and guardrails to manage recalls, deletions, and privacy-sensitive data at scale.
    Downloads: 0 This Week
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  • 17
    HStreamDB

    HStreamDB

    HStreamDB is an open-source, cloud-native streaming database

    HStreamDB is an open-source, cloud-native streaming database for IoT and beyond. Modernize your data stack for real-time applications. By subscribing to streams in HStreamDB, any update of the data stream will be pushed to your apps in real-time, and this promotes your apps to be more responsive. You can also replace message brokers with HStreamDB and everything you do with message brokers can be done better with HStreamDB. HStreamDB provides built-in support for event time-based stream...
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  • 18
    Skytable

    Skytable

    Skytable is a fast, secure and reliable realtime NoSQL database

    SkytableTM is an insanely fast, free, and open-source, real-time NoSQL database that aims to provide flexible data modeling without compromising on performance or query ability, at scale. Skytable has got exciting features which are ready to deploy and more amazing features on the way. Scale to millions of queries per second per node with no optimizations left on the table. Automated background saving, snapshots and remote snapshots are there when you need them. Natively multithreaded to exploit all CPU cores which helps lower your TCO. ...
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  • 19
    StarRocks

    StarRocks

    StarRocks is a next-gen sub-second MPP database for full analytics

    ...Processing any updates or deletes once data arrives has not been possible- until now. StarRocks solves these challenges and makes real-time analytics easy. Get amazing query performance on Star or Snowflake Schemas directly. From canceled orders to updated items, your analytics applications can easily handle them with StarRocks. From streaming data to change data capture, StarRocks meets the data ingestion demands of real-time analytics. Scale storage and computing power horizontally and support tens of thousands of concurrent users. ...
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  • 20
    PostgreSQL client and ORM for Golang

    PostgreSQL client and ORM for Golang

    Golang ORM with focus on PostgreSQL features and performance

    ...So make sure to initialize a Go module. ORM supports has one, belongs to, has many, and many to many with composite/multi-column primary keys. ForEach that calls a function for each row returned by the query without loading all rows into the memory.
    Downloads: 0 This Week
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  • 21
    Apache Druid

    Apache Druid

    A high performance real-time analytics database

    Druid is designed for workflows where fast ad-hoc analytics, instant data visibility, or supporting high concurrency is important. As such, Druid is often used to power UIs where an interactive, consistent user experience is desired. Druid streams data from message buses such as Kafka, and Amazon Kinesis, and batch load files from data lakes such as HDFS, and Amazon S3. Druid supports most popular file formats for structured and semi-structured data. Druid has been benchmarked to greatly...
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  • 22
    ShardingSphere

    ShardingSphere

    Distributed database ecosphere

    Apache ShardingSphere is an open-source ecosystem consisted of a set of distributed database solutions, including 3 independent products, JDBC, Proxy & Sidecar (Planning). They all provide functions of data scale out, distributed transaction and distributed governance, applicable in a variety of situations such as Java isomorphism, heterogeneous language and cloud native. Apache ShardingSphere aiming at reasonably making full use of the computation and storage capacity of existed database in...
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  • 23
    manticoresearch

    manticoresearch

    Easy to use open source fast database for search

    Manticore Search is an easy to use open source fast database for search. Modern MPP architecture and smart query parallelization capabilities allow to fully utilize all your CPU cores to lower response time as much as possible, when needed. Powerful and fast full-text searching which works fine for small and big datasets. Columnar storage support via the Manticore Columnar Library for bigger datasets (much bigger than can fit in RAM). SQL-first: Manticore's native syntax is SQL. ...
    Downloads: 1 This Week
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  • 24
    IoTDB

    IoTDB

    Apache IoTDB

    ...IoTDB can be installed on a local controller server in the factory to receive data from those devices. The local controller server (normal PC or workstation) with IoTDB can provide the ability to persist data and query data with SQL-like interface. In addition, with TsFile-Sync tool, TsFiles on the local controller can be transmitted to the data center equipped with IoTDB instance in the cloud.
    Downloads: 1 This Week
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  • 25
    Apache Impala

    Apache Impala

    Apache Impala

    Impala provides low latency and high concurrency for BI/analytic queries on the Hadoop ecosystem, including Iceberg, open data formats, and most cloud storage options. Impala also scales linearly, even in multitenant environments. Impala is integrated with native Hadoop security and Kerberos for authentication, and via the Ranger module, you can ensure that the right users and applications are authorized for the right data. Utilize the same file and data formats and metadata, security, and...
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