Showing 689 open source projects for "custom operating systems"

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  • 1
    LiteDB

    LiteDB

    An open source MongoDB-like database with zero configuration

    LiteDB is a serverless database delivered in a single small DLL (< 450kb) fully written in .NET C# managed code (compatible with .NET 4.5 and NETStandard 2.0). Install it via NuGet or just copy the DLL to your bin project folder. LiteDB is a simple and fast NoSQL database solution. Ideal for mobile apps (Xamarin ready), desktop/local applications, application file format, web applications, and one database per account/user data store. Portable UWP and Xamarin iOS/Android, ACID transactions,...
    Downloads: 7 This Week
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  • 2
    WhatsApp Chat Exporter

    WhatsApp Chat Exporter

    A cross-platform tool for parsing WhatsApp chat databases

    WhatsApp-Chat-Exporter is a customizable tool for parsing WhatsApp databases from Android and iOS devices. It extracts chat histories and exports them in HTML and JSON formats, supporting various encryption standards. ​
    Downloads: 11 This Week
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  • 3
    Nextcloud Server

    Nextcloud Server

    A safe home for all your data

    Nextcloud server is a free and open source server software that allows you to store all of your data in a server of your choosing. With Nextcloud you can easily access and store data in the data center you trust, sync data among various devices, and share your data for collaboration purposes. It offers the best security in the self hosted file sync and share world, and is expandable with hundreds of apps.
    Downloads: 22 This Week
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  • 4
    Sequel Ace

    Sequel Ace

    MySQL/MariaDB database management for macOS

    Sequel Ace is the "sequel" to the longtime macOS tool Sequel Pro. Sequel Ace is a fast, easy-to-use Mac database management application for working with MySQL & MariaDB databases.
    Downloads: 28 This Week
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  • 5
    Hermes JS Engine

    Hermes JS Engine

    A JavaScript engine optimized for running React Native

    Hermes-powered apps launch faster, thanks to build-time precompilation of JavaScript into efficient bytecode. Hermes is small in APK size, lean on memory, and starts instantly. It won't weigh your app down. It's simple to get started with Hermes in React Native apps. Hermes is open source and implements JavaScript standards. You will now be in a directory with the output of building Hermes into CLI tools. From here you can run a piece of JavaScript. If you have an existing app based on an...
    Downloads: 13 This Week
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  • 6
    React Native Contracts

    React Native Contracts

    React Native Contacts

    A React Native library for accessing and managing contacts on iOS and Android devices, enabling apps to retrieve and manipulate contact data.
    Downloads: 0 This Week
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  • 7
    SpeechRecognition

    SpeechRecognition

    Speech recognition module for Python

    Library for performing speech recognition, with support for several engines and APIs, online and offline. Recognize speech input from the microphone, transcribe an audio file, save audio data to an audio file. Show extended recognition results, calibrate the recognizer energy threshold for ambient noise levels (see recognizer_instance.energy_threshold for details). Listening to a microphone in the background, various other useful recognizer features. The easiest way to install this is using...
    Downloads: 14 This Week
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  • 8
    Dexie.js

    Dexie.js

    A Minimalistic Wrapper for IndexedDB

    Dexie was written to be straightforward and easy to learn. If you've ever had to work with native IndexedDB then you'll certainly appreciate Dexie's concise API. What good is any development tool without great documentation? Dexie is thoroughly explained, and examples are available to help you on your way. Dexie has near-native performance. Its bulk operations utilize an often-overlooked feature in IndexedDB, ignoring success callbacks when possible. Offline databases are groovy! But without...
    Downloads: 2 This Week
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  • 9
    GRDB.swift

    GRDB.swift

    A toolkit for SQLite databases

    GRDB.swift is a comprehensive SQLite toolkit for Swift developers, providing type-safe database access through mapping to Swift structs and records. It offers query building, migrations, concurrency control, and Swift Codable integration—ideal for local or embedded data persistence in iOS, macOS, and cross-platform Swift applications.
    Downloads: 1 This Week
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    AI-generated apps that pass security review

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  • 10
    Parse Server

    Parse Server

    API server module for Node/Express

    Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box. Our preferred channels of communication for help, issues and disscussion. Parse Server works with the Express web application framework. It can be added to existing web applications, or run by itself. Parse Server is continuously tested with the most recent releases of Node.js to ensure compatibility. We follow the Node.js Long Term Support plan and only test...
    Downloads: 1 This Week
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  • 11
    SQLDelight

    SQLDelight

    SQLDelight - Generates typesafe Kotlin APIs from SQL

    SQLDelight is a multiplatform Kotlin SQL library developed by Square. It generates typesafe Kotlin APIs from your SQL statements and integrates seamlessly with Android, iOS, JVM, and web platforms. SQLDelight ensures compile-time verification of SQL queries and supports migrations, transactions, and coroutines, making it a robust solution for cross-platform persistence.
    Downloads: 0 This Week
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  • 12
    react-native-picker-select

    react-native-picker-select

    A Picker component for React Native for iOS and Android

    A Picker component for React Native which emulates the native select interfaces for iOS and Android. For iOS, by default we are wrapping an unstyled TextInput component. You can then pass down styles to customize it to your needs. For Android, by default we are using the native Picker component. If you prefer, you can set useNativeAndroidPickerStyle to false, which will also render an unstyled TextInput component. You can then pass down styles to customize it to your needs. For either...
    Downloads: 0 This Week
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  • 13
    realm by MongoDB

    realm by MongoDB

    Realm is a mobile database, an alternative to SQLite key-value stores

    Realm’s mobile database is an open-source, developer-friendly alternative to CoreData and SQLite. Start in minutes, port your app in hours, and save yourself weeks of work. Realm’s object-oriented data model is simple to learn, doesn’t need an ORM, and lets you write less code. Realm’s local database persists data on-disk, so apps work as well offline as they do online. Realm is fully-featured, lightweight, and efficiently uses memory, disk space, and battery life. Realm was built for mobile...
    Downloads: 0 This Week
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  • 14
    Couchbase Lite for iOS and MacOS

    Couchbase Lite for iOS and MacOS

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

    Lightweight, embedded, syncable NoSQL database engine for iOS and MacOS apps. 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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  • 15
    WCDB

    WCDB

    Cross-platform database framework developed by WeChat

    WCDB is an efficient, complete, easy-to-use mobile database framework used in the WeChat application. It's currently available on iOS, macOS and Android. Easy-to-use. Through WCDB, you can get objects from database in one line code. WINQ (WCDB language integrated query), WINQ is a native data querying capability which frees developers from writing glue code to concatenate SQL query strings. ORM (Object Relational Mapping), WCDB provides a flexible, easy-to-use ORM for creating tables,...
    Downloads: 0 This Week
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  • 16
    TURF

    TURF

    A modular geospatial engine written in JavaScript

    Turf is a JavaScript library for spatial analysis. It includes traditional spatial operations, helper functions for creating GeoJSON data, and data classification and statistics tools. Turf can be added to your website as a client-side plugin, or you can run Turf server-side with Node.js. Modular, simple-to-understand JavaScript functions that speak GeoJSON. Turf is a collection of small modules, you only need to take what you want to use. Takes advantage of the newest algorithms and doesn't...
    Downloads: 1 This Week
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  • 17
    Realm

    Realm

    Mobile database: a replacement for Core Data & SQLite

    Realm’s mobile database is an open source, developer-friendly alternative to CoreData and SQLite. Start in minutes, port your app in hours, and save yourself weeks of work. Available for Swift, Objective-C, Java, Kotlin, C#, and JavaScript. Realm’s object-oriented data model is simple to learn, doesn’t need an ORM, and lets you write less code. Realm’s local database persists data on-disk, so apps work as well offline as they do online. Realm is fully-featured, lightweight, and efficiently...
    Downloads: 2 This Week
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  • 18
    VectorChord

    VectorChord

    Scalable, fast, and disk-friendly vector search in Postgres

    VectorChord is an open-source vector database built for local and edge deployment. It supports efficient vector indexing and retrieval using ANN (approximate nearest neighbor) algorithms and is optimized for integration with LLM and AI applications. VectorChord is lightweight and can be embedded in a variety of environments for fast semantic search.
    Downloads: 2 This Week
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  • 19
    DbInspector

    DbInspector

    Android library for viewing, editing and sharing in app databases.

    Android library for viewing, editing and sharing in-app databases. DbInspector provides a simple way to view the contents of the in-app database for debugging purposes. There is no need to pull the database from a connected device. This library supports inspecting of the SQLite databases created by CouchBase Lite out of the box. Preview all application sandbox databases. Import single or multiple databases at once. Search, delete, rename, copy, share a database. Preview tables, views, and...
    Downloads: 0 This Week
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  • 20
    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...
    Downloads: 0 This Week
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  • 21
    Supabase Wrappers

    Supabase Wrappers

    Postgres Foreign Data Wrapper development framework in Rust

    Supabase Wrappers is a collection of PostgreSQL extensions (written in Rust) that allow Postgres to interact with external systems like APIs, files, and other databases. It uses Foreign Data Wrappers (FDWs) to treat external resources as if they were native SQL tables, enabling seamless integration with external services directly from SQL queries.
    Downloads: 2 This Week
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  • 22
    PGlite

    PGlite

    Lightweight WASM Postgres with real-time, reactive bindings

    PGlite is a lightweight, WebAssembly (WASM) build of Postgres designed to run directly in JavaScript environments such as browsers, Node.js, Bun, and Deno, without the need for additional dependencies. It allows developers to run Postgres in-memory or with persistence to IndexedDB or local file systems, offering a simple yet powerful solution for local-first, real-time applications. At under 3MB gzipped, PGlite is optimized for efficiency and includes dynamic extension loading, support for...
    Downloads: 1 This Week
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  • 23
    XAMPP

    XAMPP

    An easy to install Apache distribution containing MySQL, PHP, and Perl

    XAMPP is a very easy to install Apache Distribution for Linux, Solaris, Windows, and Mac OS X. The package includes the Apache web server, MySQL, PHP, Perl, a FTP server and phpMyAdmin.
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    Downloads: 316,309 This Week
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  • 24
    SchemaCrawler

    SchemaCrawler

    Free database schema discovery and comprehension tool

    ...You can find potential schema design issues with lint. SchemaCrawler supports almost any database that has a JDBC driver, but for convenience is bundled with drivers for some commonly used RDBMS systems. SchemaCrawler works with any operating system that supports Java SE 8 or better. SchemaCrawler is also a Java API that makes working with database metadata as easy as working with plain old Java objects.
    Downloads: 1 This Week
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  • 25
    Piral

    Piral

    Framework for next generation web apps using micro frontends

    ...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. Every feature plays well with custom and standard tooling. The base layer gives you high convenience without sacrificing. Performance is considered important and valued as a feature. You can build fully dynamic and scalable applications in no time. ...
    Downloads: 0 This Week
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