Showing 1678 open source projects for "c-sharp"

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  • 1
    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: 1 This Week
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  • 2
    Linenoise

    Linenoise

    A small self-contained alternative to readline and libedit

    Linenoise is an ultra-lightweight, self-contained C library that implements line editing (single and multi-line) for terminal applications, intended as a simpler alternative to the much larger GNU Readline or libedit libraries. The library is zero-config, meaning you just include the source file(s) and use it, without heavy dependencies or external configuration. It supports basic editing features: moving the cursor, inserting characters, handling history, tab-completion, and hints, plus a multiplexing mode where the prompt can be hidden/restored when asynchronous output appears. ...
    Downloads: 0 This Week
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  • 3
    AgensGraph

    AgensGraph

    AgensGraph, a transactional graph database based on PostgreSQL

    AgensGraph is a multi-model database that extends PostgreSQL with graph database capabilities, enabling users to work with both relational and graph data within a single system. It supports the Cypher query language alongside SQL, making it ideal for hybrid workloads.
    Downloads: 0 This Week
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  • 4
    PikiwiDB

    PikiwiDB

    Pika is a Redis-Compatible database

    A high-performance, distributed key-value database inspired by Redis but designed for large-scale cloud-native environments.
    Downloads: 0 This Week
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  • 5
    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.
    Downloads: 7 This Week
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  • 6
    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: 1 This Week
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  • 7
    pg_squeeze

    pg_squeeze

    A PostgreSQL extension for automatic bloat cleanup

    pg_squeeze is a PostgreSQL extension that reclaims space in bloated tables without blocking read or write access. It provides a non-intrusive alternative to VACUUM FULL by creating a new compacted copy of the table in the background. It’s particularly useful for maintaining performance in large, heavily updated databases.
    Downloads: 0 This Week
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  • 8
    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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  • 9
    HypoPG

    HypoPG

    Hypothetical Indexes for PostgreSQL

    HypoPG is a PostgreSQL extension that allows you to create hypothetical indexes without actually building them on disk. It helps developers and DBAs test the impact of potential indexes on query performance before committing resources. By simulating indexes, HypoPG assists in query optimization and index strategy planning without any performance or storage cost.
    Downloads: 0 This Week
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  • 10
    RUM

    RUM

    RUM access method - inverted index with additional information

    RUM is a PostgreSQL extension that enhances full-text search performance by implementing a new type of GIN index. It allows fast ranking, filtering, and search in a single index scan, improving query efficiency in applications that rely heavily on text search. RUM is useful for advanced search features like faceting and relevance ranking.
    Downloads: 0 This Week
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  • 11
    PolarDB for PostgreSQL

    PolarDB for PostgreSQL

    A cloud-native database based on PostgreSQL developed by Alibaba Cloud

    PolarDB for PostgreSQL is Alibaba Cloud's cloud-native, distributed version of PostgreSQL designed for high availability, scalability, and performance. It enhances standard PostgreSQL with features like shared storage, compute-storage separation, and parallel processing. PolarDB supports cloud-native workloads, offering enterprise-grade capabilities while maintaining PostgreSQL compatibility.
    Downloads: 0 This Week
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  • 12
    OrioleDB

    OrioleDB

    Building a modern cloud-native storage engine

    OrioleDB is a next-generation storage engine for PostgreSQL, aiming to enhance scalability, performance, and modern data management. Designed as a table access method (TAM) extension, it introduces features like MVCC improvements, compression, and efficient concurrency handling. OrioleDB seeks to future-proof PostgreSQL by enabling cloud-native, high-throughput workloads without altering the core PostgreSQL behavior.
    Downloads: 0 This Week
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  • 13
    manticoresearch

    manticoresearch

    Easy to use open source fast database for search

    ...It speaks SQL over HTTP and uses the MySQL protocol (you can use your preferred MySQL client). JSON over HTTP: to provide a more programmatic way to manage your data and schemas, Manticore provides a HTTP JSON protocol. Written fully in C++: starts fast, doesn't take much RAM, and low-level optimizations provide good performance. Can sync from MySQL/PostgreSQL/ODBC/xml/csv out of the box. Not fully ACID-compliant, but supports transactions and binlog for safe writes.
    Downloads: 0 This Week
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  • 14
    OceanBase

    OceanBase

    OceanBase is an enterprise distributed relational database

    OceanBase Database is a native distributed relational database. It is developed entirely by Ant Group. OceanBase Database is built on a common server cluster. Based on the Paxos protocol and its distributed structure, OceanBase Database provides high availability and linear scalability. OceanBase Database is not dependent on specific hardware architectures. Single server failure recovers automatically. OceanBase Database supports cross-city disaster tolerance for multiple IDCs and zero data...
    Downloads: 0 This Week
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  • 15
    BaikalDB

    BaikalDB

    BaikalDB, A Distributed HTAP Database

    BaikalDB is a distributed enhanced structured database system. It supports sequential and randomized real-time read/write of structural data in a petabytes-scale. BaikalDB is compatible with MySQL protocol and it supports MySQL-style SQL dialect, by which users can migrate their data storage from MySQL to BaikalDB seamlessly. BaikalDB internally provides projections, filter operators (corresponding with SQL WHERE or HAVING clause), aggregation operators (corresponding with GROPY BY clause)...
    Downloads: 0 This Week
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  • 16
    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...
    Downloads: 0 This Week
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  • 17
    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...
    Downloads: 0 This Week
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  • 18
    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 inside a write transaction. Update objects by updating field values on an instance of the object within a transaction. ...
    Downloads: 0 This Week
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  • 19
    KeePass

    KeePass

    A lightweight and easy-to-use password manager

    KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to...
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    Downloads: 326,995 This Week
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  • 20
    The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.
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    Downloads: 56 This Week
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  • 21
    Greenplum Database

    Greenplum Database

    Massive parallel data platform for analytics, machine learning and AI

    Rapidly create and deploy models for complex applications in cybersecurity, predictive maintenance, risk management, fraud detection, and many other areas. With its unique cost-based query optimizer designed for large-scale data workloads, Greenplum scales interactive and batch-mode analytics to large datasets in the petabytes without degrading query performance and throughput. Based on PostgreSQL, Greenplum provides you with more control over the software you deploy, reducing vendor...
    Downloads: 17 This Week
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  • 22
    Firebird

    Firebird

    A powerful, cross platform, SQL database system

    Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language. More information and downloads at https://firebirdsql.org/, issue tracker is https://github.com/FirebirdSQL/firebird/issues
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    Downloads: 3,095 This Week
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  • 23
    Convert Sql server databases to SQLite format.
    Downloads: 6 This Week
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  • 24
    Object-Relational Main-Memory Embedded Database system tightly integrated with C++ language. Use OS virtual mapping mechanism to access data. Provides subset of SQL language with OO extensions. Support of transactions, fault tolerance, replication.
    Downloads: 15 This Week
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  • 25
    Skiplist-CPP

    Skiplist-CPP

    A tiny KV storage based on skiplist written in C++ language

    Skiplist-CPP is a lightweight key-value storage engine implemented in C++ using a skip list as its core data structure. It showcases how a log-structured, ordered index can deliver fast inserts, lookups, and deletes while remaining simple to implement and reason about. The project supplies a compact codebase with a clear separation between the skip list implementation and the storage operations that use it.
    Downloads: 0 This Week
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