Showing 486 open source projects for "data structures c"

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  • 1
    pg-osc

    pg-osc

    Easy CLI tool for making zero downtime schema changes

    pg-osc (Online Schema Change) is a CLI tool for making non-blocking schema changes to large PostgreSQL tables. It creates a shadow table, copies data incrementally, and swaps tables with minimal downtime. Ideal for high-traffic applications, pg-osc lets teams modify database structures safely in production environments.
    Downloads: 0 This Week
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  • 2
    ClickHouse

    ClickHouse

    A fast open-source OLAP database management system

    ClickHouse® is a fast, open-source column-oriented database management system that can generate analytical data reports through SQL queries in real time. According to several independent benchmarks, it far exceeds other comparable column-oriented database management systems, working even up to 1000 times faster. It is able to process hundreds of millions to more than a billion rows and tens of gigabytes of data per single server per second. Apart from its blazing speed, ClickHouse is highly...
    Downloads: 15 This Week
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  • 3
    osm2pgsql

    osm2pgsql

    Import OpenStreetMap data into a PostgreSQL/PostGIS database

    osm2pgsql is a powerful tool for importing OpenStreetMap (OSM) data into a PostgreSQL/PostGIS database, enabling geographic data analysis and map rendering. It supports various rendering schemas like "flex" and "lua" to customize how data is loaded and indexed. Designed for performance and scalability, osm2pgsql is widely used in map tile generation pipelines and by GIS professionals handling large-scale spatial datasets.
    Downloads: 2 This Week
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  • 4
    EventStoreDB

    EventStoreDB

    The stream database optimised for event sourcing

    Persist your application data as streams of events with our open-source database, the best data storage solution for event-sourced systems. Available for free download on most platforms or use our managed service Event Store Cloud. EventStoreDB is an open-source database technology that stores your critical data in streams of immutable events. It was built from the ground up for Event Sourcing, we believe that makes it the best solution in the market for building event-sourced systems. Event...
    Downloads: 3 This Week
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  • 5
    UltraLiteDB

    UltraLiteDB

    A bare-bones C# .NET Key-value Store in a single database file

    UltraLiteDB is a lightweight, embedded NoSQL database for .NET applications, inspired by LiteDB. It is designed for minimal resource usage while providing essential document database functionalities. UltraLiteDB is suitable for desktop, mobile, and IoT applications that need local data storage without requiring a separate database server.
    Downloads: 1 This Week
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  • 6
    SQL Notebook

    SQL Notebook

    SQL Notebook — Casual data exploration in SQL

    SQL Notebook is a free Windows application for querying and analyzing data across multiple sources, including SQLite, PostgreSQL, Excel, and CSV files. It combines a SQL editor with a notebook interface, allowing for data exploration, transformation, and visualization in one place. SQL Notebook is ideal for analysts and data enthusiasts.
    Downloads: 0 This Week
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  • 7
    TailwindSQL

    TailwindSQL

    TailwindSQL lets you write SQL queries using Tailwind-style class name

    ...Inspired by the simplicity and utility of Tailwind CSS, TailwindSQL allows developers to describe database queries using a familiar syntax such as db-table-column-where-field-value, collapsing traditional SQL into readable, utility-driven structures that map directly to data fetches. When used in React Server Components, these class-style queries are parsed and executed at render time with zero client-side JavaScript, letting you fetch and render data without writing SQL strings explicitly. The project is built on SQLite with better-sqlite3 for fast local access, and it supports rendering results in different formats such as text, lists, tables, or JSON directly from markup.
    Downloads: 0 This Week
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  • 8
    GridDB

    GridDB

    GridDB is a next-generation open source database

    A cyber-physical systems is a system that collects a variety of data in physical space (the real world), analyzes and converts it into knowledge in cyberspace, and feeds the knowledge back to the real world to revitalize industry and solve social problems. GridDB is an open database that enables real-time processing of vast amounts of time-series data in physical space, which is necessary to realize a cyber-physical system. Multi-model architecture capable of supporting various data stores...
    Downloads: 0 This Week
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  • 9
    ArcticDB

    ArcticDB

    ArcticDB is a high performance, serverless DataFrame database

    Built for the modern Python Data Science ecosystem, ArcticDB transforms your ability to handle complex real-world data with an Incredibly fast proven Petabyte scale. ArcticDB is designed with quant users in mind. It allows you to self-manage your data leveraging your preferred infrastructure. Giving you the keys to protect your most valuable asset. Supports large concurrent writes to many tables ensuring datasets can be onboarded fast and in the most convenient format. Scale-out architecture...
    Downloads: 2 This Week
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  • 10
    pglogical

    pglogical

    Logical Replication extension for PostgreSQL

    pglogical is an advanced logical replication extension for PostgreSQL that allows selective replication of data between databases. Unlike physical replication, it enables fine-grained control of which tables or changes to replicate. It’s well-suited for multi-master setups, version upgrades, and real-time data distribution across environments.
    Downloads: 2 This Week
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  • 11
    rust-rocksdb

    rust-rocksdb

    Rust wrapper for rocksdb

    ...But this crate doesn't allow it by default for compatibility. If you need to modify column families concurrently, enable crate feature called multi-threaded-cf, which makes this binding's data structures to use RwLock by default.
    Downloads: 0 This Week
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  • 12
    MobilityDB

    MobilityDB

    MobilityDB is a geospatial trajectory data management & analysis

    MobilityDB is an extension for PostgreSQL and PostGIS that adds support for managing and querying moving object data, such as vehicles, vessels, or wildlife. It allows developers to store temporal and spatiotemporal data types and execute complex mobility analytics using SQL. It is particularly suited for GIS applications and location-based services.
    Downloads: 0 This Week
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  • 13
    Realm Swift

    Realm Swift

    Realm is a mobile database: a replacement for Core Data & SQLite

    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. Build data-rich apps without draining device resources with Realm's lazy loading and zero-copy architecture. The object-oriented data model lets developers work directly with native objects – no ORMs or DAOs are needed. Real-time mobile to cloud data sync makes it easy to build interactive features that keep data up-to-date across multiple devices, users,...
    Downloads: 0 This Week
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  • 14
    TDengine

    TDengine

    Open-source time-series database with high-performance and scalability

    Enables efficient, real-time data ingestion, processing and monitoring of TB and even PB scale data per day, generated by billions of sensors and data collectors. TDengine can be widely applied to IoT, Industrial Internet, Connected Vehicles, DevOps, Energy , Finance and many other use-cases. TDengine’s innovative design and purpose-built storage engine outperforms other time-series databases for data ingestion, querying and data compression while significantly reducing storage and computing...
    Downloads: 0 This Week
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  • 15
    Duplicati

    Duplicati

    Store securely encrypted backups in the cloud!

    Duplicati is a free and open source backup client for securely storing your data. Duplicati stores encrypted, incremental, compressed backups on cloud storage services and remote file servers using AES-256 encryption, keeping your data safe and always updated. It works with most storage services, including Google Cloud and Drive, Amazon S3, Microsoft Azure and OneDrive, Dropbox, FTPOpenStack Storage (Swift), SSH (SFTP), WebDAV, Tencent Cloud Object Storage (COS), and more! Duplicati also...
    Downloads: 13 This Week
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  • 16
    Apache AGE

    Apache AGE

    Graph database optimized for fast analysis

    Apache AGE (A Graph Extension) is a PostgreSQL extension that adds support for graph database functionality using the openCypher query language. AGE allows users to store and query graph-structured data alongside traditional relational data in a single database. Built for performance and scalability, it brings the power of graph queries to the robustness of PostgreSQL, making it suitable for use cases like social networks, recommendation systems, and fraud detection.
    Downloads: 1 This Week
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  • 17
    KuzuDB

    KuzuDB

    Embeddable property graph database management system

    KuzuDB is a high-performance graph database optimized for analytical queries, built from the ground up with a columnar storage engine. It is designed to efficiently process large-scale graph workloads, making it ideal for data science, machine learning, and knowledge graph applications.
    Downloads: 2 This Week
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  • 18
    realm dotnet

    realm dotnet

    Realm is a mobile database: a replacement for SQLite & ORMs

    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. Build data-rich apps without draining device resources with Realm's lazy loading and zero-copy architecture. The object-oriented data model lets developers work directly with native objects – no ORMs or DAOs are needed. Real-time mobile to cloud data sync makes it easy to build interactive features that keep data up-to-date across multiple devices, users,...
    Downloads: 0 This Week
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  • 19
    MMKV

    MMKV

    The fastest key/value storage for React Native

    MMKV is an efficient, small mobile key-value storage framework developed by WeChat. react-native-mmkv is a library that allows you to easily use MMKV inside your React Native applications. It provides fast and direct bindings to the native C++ library which are accessible through a simple JS API. Get and set strings, booleans and numbers. Fully synchronous calls, no async/await, no Promises, no Bridge. Encryption support (secure storage). Multiple instances support (separate user-data with global data). Customize storage location. High performance because everything is written in C++. ~30x faster than AsyncStorage. ...
    Downloads: 1 This Week
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  • 20
    pspg

    pspg

    Unix pager (with rich functionality) designed for work with tables

    pspg is a Unix pager designed for working with tabular data, particularly from PostgreSQL, but also supports other databases like MySQL.
    Downloads: 0 This Week
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  • 21
    Dragonfly

    Dragonfly

    A modern replacement for Redis and Memcached

    Dragonfly is a drop-in Redis replacement that cuts costs and boosts performance. Designed to fully utilize the power of modern cloud hardware and deliver on the data demands of modern applications, Dragonfly frees developers from the limits of traditional in-memory data stores. The power of modern cloud hardware can never be realized with legacy software. Dragonfly is optimized for modern cloud computing, delivering 25x more throughput and 12x lower snapshotting latency when compared to...
    Downloads: 5 This Week
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  • 22
    Entity Framework 6

    Entity Framework 6

    This is the codebase for Entity Framework 6

    Entity Framework 6 (EF6) is a proven object-relational (O/RM) mapper for .NET with many years of feature development and stabilization. Like O/RM, EF6 reduces the impedance mismatch between the relational and object-oriented worlds, allowing developers to write applications that interact with data stored in relational databases with strongly typed .NET objects that represent the domain of the database. application, and eliminate the need for much of the data access "mechanical" code that you...
    Downloads: 4 This Week
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  • 23
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is the leading open-source platform for visualization and observability. It enables teams to query, visualize, alert on, and explore telemetry data from multiple sources in a single interface. With support for 100+ data source plugins—including Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, and OpenTelemetry—Grafana helps teams correlate metrics, logs, and traces across applications and infrastructure. Users can build interactive dashboards with rich...
    Downloads: 14 This Week
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  • 24
    DBreeze Database

    DBreeze Database

    C# .NET NOSQL ( key value store embedded ) ACID database

    DBreeze Database is a professional, open-source, multi-paradigm (embedded Key-Value store, objects, NoSql, text search, multi-parameter search, embedding vector database, vector similarity search/clustering, etc.), multi-threaded, transactional and ACID-compliant data management system for .NET5> / .NET Framework 3.5> / Xamarin MONO Android iOS / .NET Core 1.0> / .NET Standard 1.6> / Universal Windows Platform / .NET Portable / UNITY / CoreRT.
    Downloads: 0 This Week
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  • 25
    Vespa

    Vespa

    The open big data serving engine

    Make AI-driven decisions using your data, in real-time. At any scale, with unbeatable performance. Vespa is a full-featured text search engine and supports both regular text search and fast approximate vector search (ANN). 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....
    Downloads: 0 This Week
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