Showing 425 open source projects for "data access layer"

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  • 1
    libmdbx

    libmdbx

    One of the fastest embeddable key-value ACID database

    libmdbx (Lightning Memory-Mapped Database Extended) is a high-performance, key-value database library derived from LMDB (Lightning Memory-Mapped Database). It is designed for fast, scalable, and ACID-compliant data storage with minimal resource consumption.
    Downloads: 1 This Week
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  • 2
    lmdb-js

    lmdb-js

    Simple, efficient, ultra-fast, scalable data store wrapper for LMDB

    This is an ultra-fast NodeJS, Bun, and Deno interface to LMDB; probably the fastest and most efficient key-value/database interface that exists for storage and retrieval of structured JS data (objects, arrays, etc.) in a true persisted, scalable, ACID compliant database. It provides a simple interface for interacting with LMDB, as a key-value db, which makes it easy to fully leverage the power, crash-proof design, and efficiency of LMDB using intuitive JavaScript, and is designed to scale...
    Downloads: 0 This Week
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  • 3
    Skunk

    Skunk

    A data access library for Scala + Postgres

    Skunk is a Postgres library for Scala. Skunk is powered by cats, cats-effect, scodec, and fs2. Skunk is purely functional, non-blocking, and provides a tagless-final API. Skunk gives very good error messages. Skunk embraces the Scala Code of Conduct. Skunk is pre-release software! Code and documentation are under active development! Skunk is published for Scala 2.12/2.13/3.1 and can be included in your project.Query and Command types are usually inferrable, but specifying a type ensures that...
    Downloads: 0 This Week
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  • 4
    OrientDB

    OrientDB

    DBMS supporting graph, document, full-text and geospatial models

    OrientDB is an Open Source Multi-Model NoSQL DBMS with the support of Native Graphs, Documents, Full-Text search, Reactivity, Geo-Spatial and Object Oriented concepts. It's written in Java and it's amazingly fast. No expensive run-time JOINs, connections are managed as persistent pointers between records. You can traverse thousands of records in no time. Supports schema-less, schema-full and schema-mixed modes. Has a strong security profiling system based on user, roles and predicate...
    Downloads: 0 This Week
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  • 5
    realm dotnet

    realm dotnet

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

    ...Accelerate time-to-market with easy to learn, language-native APIs that simplify data access. Device Sync, backed by MongoDB Atlas, handles the most complex part of connecting your client to the backend with ease – guaranteeing an app that works as expected and syncs data reliably, every time. Build full mobile apps with ease.
    Downloads: 0 This Week
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  • 6
    Jet Database

    Jet Database

    Type safe SQL builder with code generation and automatic query result

    Jet is a complete solution for efficient and high-performance database access, consisting of a type-safe SQL builder with code generation and automatic query result data mapping. Jet currently supports PostgreSQL, MySQL, CockroachDB, MariaDB, and SQLite. Future releases will add support for additional databases.
    Downloads: 4 This Week
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  • 7
    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: 1 This Week
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  • 8
    Totum MIT

    Totum MIT

    Small-code database for non-programmers

    Totum is a no-code/low-code platform for creating data-driven business apps and dashboards. It uses a spreadsheet-like interface to let users define logic, automate processes, and build complex forms and workflows without traditional programming. Totum-MIT is the open-source core of this system, designed for internal business tools and enterprise apps.
    Downloads: 0 This Week
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  • 9
    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: 26 This Week
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  • 10
    EasyDB

    EasyDB

    Easy-to-use PDO wrapper for PHP projects

    EasyDB is a secure, lightweight, and extensible database wrapper for PHP built on top of PDO. It simplifies query building, error handling, and parameter binding while encouraging best practices like prepared statements. EasyDB is designed for small to mid-sized applications that need clean and secure database access.
    Downloads: 2 This Week
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  • 11
    Tarantool

    Tarantool

    Get your data in RAM, get compute close to data, enjoy the performance

    ...With Tarantool, you can replace the traditional bundle of database & cache and reduce operational costs. Tarantool is tolerant of write-heavy loads. It also allows keeping full-featured applications close to the data, thus reducing data access network latency to zero. The open-source Community Edition lets you develop applications and speed up a system in operation. It features synchronous replication, affords easy scalability, and includes tools to develop efficient applications. The Tarantool community helps with any practical questions regarding the Community Edition. ...
    Downloads: 0 This Week
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  • 12
    Exposed

    Exposed

    Kotlin SQL framework

    Welcome to Exposed, an ORM framework for Kotlin. Exposed offers two levels of database access: typesafe SQL wrapping DSL and lightweight data access objects. Our official mascot is Cuttlefish, which is best known for its outstanding mimicry abilities letting it blend seamlessly in any environment. Just like our mascot, Exposed can mimic a variety of database engines and help you build database applications without hard dependencies on any specific database engine, and switch between them with very little or no changes in your code. ...
    Downloads: 0 This Week
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  • 13
    OceanBase seekdb

    OceanBase seekdb

    The AI-Native Search Database

    seekdb is an AI-native search database from OceanBase that unifies vector, full-text, relational, JSON, and GIS data into a single query engine. The system is designed to support hybrid search workloads and in-database AI workflows without requiring multiple specialized databases. It enables developers to perform semantic search, keyword search, and structured SQL queries within the same platform, simplifying modern AI application stacks. seekdb also embeds AI capabilities directly in the database layer, including embedding generation, reranking, and LLM inference for end-to-end RAG pipelines. ...
    Downloads: 0 This Week
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  • 14
    Skeet

    Skeet

    What...? Skeet is evolving to SLV

    Skeet is an open source framework designed for building scalable serverless applications with Firebase, Google Cloud, and GraphQL.
    Downloads: 0 This Week
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  • 15
    rqlite

    rqlite

    The lightweight, distributed relational database built on SQLite

    rqlite is an easy-to-use, lightweight, distributed relational database, which uses SQLite as its storage engine. rqlite is simple to deploy, operating it is very straightforward, and its clustering capabilities provide you with fault-tolerance and high availability. rqlite is available for Linux, macOS, and Microsoft Windows. rqlite gives you the functionality of a rock solid, fault-tolerant, replicated relational database, but with very easy installation, deployment, and operation. With it...
    Downloads: 1 This Week
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  • 16
    Blazer

    Blazer

    Business intelligence made simple

    Blazer is a business-intelligence engine for Rails that lets teams write SQL in the browser, visualize the results, and share insights without leaving their app. It turns raw database queries into charts, tables, and dashboards, so non-engineers can explore data with minimal friction. Queries can accept parameters, enabling reusable reports for different time ranges, segments, or customers. Access controls and audit trails help teams manage who can run, edit, or view sensitive analyses. Scheduled checks and alerts turn BI into proactive monitoring by notifying you when metrics cross thresholds or regress. ...
    Downloads: 0 This Week
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  • 17
    Hasura GraphQL Engine

    Hasura GraphQL Engine

    Blazing fast, instant realtime GraphQL APIs on your DB

    ...Hasura’s built-in RLS style authorization engine allows you to conveniently specify authorization rules at a model level, and safely expose the GraphQL API to developers inside or outside your organization. Hasura’s authz engine is enabling agile teams in fast-growing startups as well as powering mission-critical data access in highly regulated environments such as Fortune 500 healthcare, financial services and US federal agencies.
    Downloads: 3 This Week
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  • 18
    HOTOSM Tasking Manager

    HOTOSM Tasking Manager

    The tool to team up for mapping in OpenStreetMap

    Tasking Manager is a web platform developed by Humanitarian OpenStreetMap Team (HOT) to coordinate collaborative mapping projects. It divides mapping tasks into smaller sections that contributors can work on independently, streamlining efforts in disaster response, development planning, and humanitarian aid.
    Downloads: 0 This Week
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  • 19
    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL backup and restore

    ...A custom protocol allows pgBackRest to backup, restore, and archive locally or remotely via TLS/SSH with minimal configuration. An interface to query PostgreSQL is also provided via the protocol layer so that remote access to PostgreSQL is never required, which enhances security.
    Downloads: 0 This Week
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  • 20
    Piral

    Piral

    Framework for next generation web apps using micro frontends

    Build highly modular applications fully flexible for large-scale portal solutions. Adjusted to your development needs, not the other way around. Piral is a framework for next-generation portal applications. It allows you to build web apps that follow the micro frontends architecture in basically no time. Piral lets you use your standard tooling to be as efficient as possible. Perfect for distributed systems running in the cloud. No proprietary software hijacking the security of your app....
    Downloads: 0 This Week
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  • 21
    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 would normally write. Mapping POCO entity classes that do not depend on any EF type. Models can be generated from existing databases and then manually edited, or they can be created from scratch and then used to generate new databases. ...
    Downloads: 0 This Week
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  • 22
    Neon Database

    Neon Database

    Neon: Serverless Postgres. We separated storage and compute

    ...Focus on building applications with time and money-saving features like instant provisioning, autoscaling according to load, and scale to zero. Instantly branch your data and schema to access isolated DB copies for development, CI/CD, and schema migrations with copy-on-write storage. Integrate it into your language or framework within minutes and unlock a simpler developer workflow.
    Downloads: 1 This Week
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  • 23
    SQL Explorer

    SQL Explorer

    Easily share data across your company via SQL queries

    SQL Explorer aims to make the flow of data between people fast, simple, and confusion-free. It is a Django-based application that you can add to an existing Django site, or use as a standalone business intelligence tool. Quickly write and share SQL queries in a simple, usable SQL editor, preview the results in the browser, share links, download CSV, JSON, or Excel files (and even expose queries as API endpoints, if desired), and keep the information flowing! Comes with support for multiple...
    Downloads: 2 This Week
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  • 24
    Finance Database

    Finance Database

    This is a database of 300.000+ symbols containing Equities, ETFs, etc.

    As a private investor, the sheer amount of information that can be found on the internet is rather daunting. Trying to understand what type of companies or ETFs are available is incredibly challenging with there being millions of companies and derivatives available on the market. Sure, the most traded companies and ETFs can quickly be found simply because they are known to the public (for example, Microsoft, Tesla, S&P500 ETF or an All-World ETF). However, what else is out there is often...
    Downloads: 5 This Week
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  • 25
    CouchDB.NET

    CouchDB.NET

    EF Core-like CouchDB experience for .NET

    CouchDB-Net is a .NET client library for Apache CouchDB, providing developers with a simple way to interact with the database using C#. It enables document storage, querying, and replication in .NET applications.
    Downloads: 0 This Week
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