Showing 2068 open source projects for "backend"

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    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

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  • 1
    MusicBrainz Server

    MusicBrainz Server

    Server for the MusicBrainz project (website, API, database tools)

    ...Its architecture ensures referential integrity and versioned change tracking so edits can be audited or reverted, and moderation workflows manage conflicting contributions. On the backend it uses a relational store optimized for complex joins and fast search indices. Internationalization, release group types, tagging, and flexible entity relationships reflect the complexity of music cataloging. As a large-scale open-data service, the server must remain performant under frequent reads, submitted edits, replication traffic, and API clients.
    Downloads: 3 This Week
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  • 2
    Reposilite

    Reposilite

    Lightweight and easy-to-use repository management software

    ...To run Reposilite for your personal needs you should assign around 20MB of RAM and at least Java 11+ installed. For huge public repositories, you can adjust the memory limit and even the size of used thread pools in the configuration. The recommended tool to develop backend module is IntelliJ IDE, for front end it might be e.g. VSC. Personal access-token-based authorization with configurable routes and permissions. Personal access-token-based authorization with configurable routes and permissions. Exposes dedicated REST API to communicate with repository using external tools. Extend your instance with personalized extensions in Java, Kotlin or Groovy.
    Downloads: 3 This Week
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  • 3
    Niquests

    Niquests

    Drop-in replacement for Requests. Automatic HTTP/1.1, HTTP/2, and HTTP

    ...The library can automatically work across HTTP/1.1, HTTP/2, and HTTP/3, and it also includes WebSocket and Server-Sent Events support. Niquests provides both synchronous and asynchronous usage patterns, making it suitable for scripts, backend services, crawlers, API clients, and modern async Python applications. It aims to preserve compatibility with common Requests ecosystem tools while expanding what Python HTTP clients can do. It is especially useful for developers who like Requests but need stronger protocol coverage, async support, and a more actively evolving feature set.
    Downloads: 1 This Week
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  • 4
    OpenUI

    OpenUI

    OpenUI let's you describe UI using your imagination

    ...The system is designed both as a practical prototyping tool and as a research platform for building next-generation AI-powered developer experiences. Its architecture separates frontend rendering from backend model orchestration, enabling extensibility and customization. The project is especially appealing to teams exploring AI-assisted design workflows.
    Downloads: 1 This Week
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  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

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  • 5
    Project Hestia

    Project Hestia

    A grid-based, modular dashboard built entirely from HTML, CSS, and JS

    Project Hestia is a powerful open-source backend framework and runtime that aims to simplify the development of scalable, distributed applications by providing a modular set of core services such as user authentication, permission enforcement, event streaming, and service orchestration. Built with modern application needs in mind, Hestia-Core abstracts common infrastructure concerns so developers can focus on business logic rather than boilerplate integration of third-party services. ...
    Downloads: 1 This Week
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  • 6
    Halite

    Halite

    High-level cryptography interface powered by libsodium

    ...Commercial licenses are available from Paragon Initiative Enterprises if you wish to extend Halite without making your derivative works available under the terms of the MPL. If you are satisfied with the terms of MPL software for backend web applications but would like to purchase a support contract for your application that uses Halite, those are also offered by Paragon Initiative Enterprises.
    Downloads: 1 This Week
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  • 7
    Deepkit Framework

    Deepkit Framework

    A new full-featured and high-performance TypeScript framework

    A new full-featured and high-performance TypeScript framework for enterprise applications. High-quality TypeScript libraries and next-gen backend framework. Leverage TypeScript types to the fullest, in completely new ways. A runtime type system for JavaScript, powered by TypeScript types. Deepkit's type compiler makes it possible to use the whole TypeScript type system in any JavaScript runtime for the first time enabling completely new ways of writing data-driven applications. ...
    Downloads: 1 This Week
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  • 8
    Flock

    Flock

    Flock is a workflow-based low-code platform for building chatbots

    ...Developers can connect these nodes to create complex pipelines that orchestrate multiple language models and external services. Built on technologies such as LangChain, LangGraph, FastAPI, and Next.js, Flock combines a modern web interface with a flexible backend capable of supporting advanced AI workflows. The platform supports multi-agent collaboration, allowing developers to design workflows where different agents handle specialized tasks within the same system. Flock also includes features such as intent recognition, code execution nodes, and human-in-the-loop approval processes that make it suitable for production AI applications.
    Downloads: 4 This Week
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  • 9
    Brave

    Brave

    Java distributed tracing implementation compatible with Zipkin backend

    Brave is a distributed tracing instrumentation library. Brave typically intercepts production requests to gather timing data, correlate and propagate trace contexts. While typically trace data is sent to Zipkin server, third-party plugins are available to send to alternate services such as Amazon X-Ray. This repository includes dependency-free Java libraries and instrumentation for common components used in production services. For example, this includes trace filters for Servlet and log...
    Downloads: 4 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

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  • 10
    DivKit

    DivKit

    DivKit is an open source Server-Driven UI (SDUI) framework

    DivKit is an open source Server-Driven UI (SDUI) framework. It allows you to roll out server-sourced updates to different app versions. Also, it can be used for fast UI prototyping, allowing you to write a layout once and then ship it to iOS, Android, and Web platforms. DivKit is an excellent choice to start using server-driven UI in your project because it can be easily integrated as a simple view in any part of your app. At the starting point, you don’t need a server integration. You can...
    Downloads: 4 This Week
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  • 11
    DB-TUTORIAL

    DB-TUTORIAL

    Mainstream database knowledge that backend programmers should master

    DB Tutorial is a broad Chinese-language guide to database technologies, architecture, operation, and performance. It introduces distributed consistency and consensus concepts through topics such as Paxos, Raft, Gossip, transactions, locks, sharding, and load balancing. Relational database sections cover SQL fundamentals and systems including MySQL, PostgreSQL, H2, and SQLite. Additional chapters examine MongoDB, Redis, HBase, Elasticsearch, and the wider Elastic stack. The repository also...
    Downloads: 0 This Week
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  • 12
    Master Spring and Spring Boot

    Master Spring and Spring Boot

    Spring and Spring Boot Tutorial For Absolute Beginners

    Master Spring and Spring Boot is a comprehensive educational project that teaches how to build enterprise-grade Java applications using the Spring ecosystem. It guides learners through creating web applications, REST APIs, and full-stack systems using technologies like JPA, Hibernate, and React. The course emphasizes hands-on development, allowing users to build real applications step by step. It also covers essential topics such as security, testing, and deployment. The repository includes...
    Downloads: 0 This Week
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  • 13
    ZIO

    ZIO

    A type-safe, composable library for async and concurrent programming

    ...It offers resource safety, fiber-based concurrency, strong error handling, and deterministic testing—all with zero external dependencies. Ideal for building scalable backend systems with compositional architecture.
    Downloads: 0 This Week
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  • 14
    go-mysql-server

    go-mysql-server

    A MySQL-compatible relational database with a storage agnostic query

    go-mysql-server is a data-source agnostic SQL engine and server which runs queries on data sources you provide, using the MySQL dialect and wire protocol. A simple in-memory database implementation is included, and you can query any data source you want by implementing your own backend. Dolt, a SQL database with Git-style versioning, is the main production database implementation of this package. Check out that project for a reference implementation. Or, hop into the Dolt Discord server here if you want to talk to the core developers behind go-mysql-server and Dolt.
    Downloads: 0 This Week
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  • 15
    Groq TypeScript / Node.s

    Groq TypeScript / Node.s

    The official Node.js / Typescript library for the Groq API

    ...The library also supports passing different input types (file streams, blobs, fetch responses) for media-related endpoints, making it flexible for diverse environments (backend, browser, serverless). With this SDK, developers can call Groq’s models, transcribe audio, perform file uploads — all with minimal boilerplate — which streamlines creation of AI-enabled applications in the JavaScript/TypeScript ecosystem.
    Downloads: 5 This Week
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  • 16
    OuteTTS

    OuteTTS

    Interface for OuteTTS models

    OuteTTS is an interface library for running OuteTTS text-to-speech models across a range of backends, making it easier to deploy the same model on different hardware and runtimes. It provides a high-level Interface API that wraps model configuration, speaker handling, and audio generation so you can focus on integrating speech into your application rather than wiring up low-level engines. The project supports multiple backends including llama.cpp (Python bindings and server), Hugging Face...
    Downloads: 5 This Week
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  • 17
    rustdesk-server-demo

    rustdesk-server-demo

    A working demo of RustDesk server implementation

    rustdesk-server-demo is a companion repository that demonstrates how to deploy the RustDesk backend quickly, often via containerized or scripted setups. It is intended as a practical starting point for testing and small-scale pilots before moving to a hardened production configuration. The demo showcases the interplay between the rendezvous and relay components so users can validate connectivity paths end-to-end. Clear defaults minimize the amount of configuration required, making first-time evaluations straightforward. ...
    Downloads: 0 This Week
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  • 18
    GitDiagram

    GitDiagram

    AI tool that converts GitHub repositories into interactive diagrams

    ...Users can interact with the generated diagrams by clicking components to navigate directly to related files or directories within the repository. GitDiagram combines a modern web frontend with a backend service that processes repository data and generates diagrams dynamically.
    Downloads: 2 This Week
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  • 19
    LibrePhotos

    LibrePhotos

    A self-hosted open source photo management service

    ...LibrePhotos supports a wide variety of media formats and provides a web interface that can be accessed from different devices and operating systems. The platform is built using a Django backend and a React frontend, forming a full-stack web application architecture.
    Downloads: 2 This Week
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  • 20
    CoAI.Dev

    CoAI.Dev

    Next Generation AI One-Stop Internationalization Solution

    CoAI.Dev is an open-source “one-stop” AIGC web application that combines a modern chat-first UI with a full backend for running, managing, and monetizing multiple AI model providers from one place. It is designed to support a wide range of LLM and image-generation backends (including OpenAI-compatible endpoints), while also providing an admin dashboard for user, subscription, and pricing controls, so it can be operated as a self-hosted AI product rather than just a personal playground. ...
    Downloads: 2 This Week
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  • 21
    Project Dashboard

    Project Dashboard

    A modern project & task management dashboard

    ...It provides Kanban boards, task lists, timelines, and customizable widgets that can surface everything from completion percentages to individual assignments and due dates. The template is built with modern frontend frameworks and pairs with backend APIs for authentication, data storage, and user management, allowing multiple collaborators to share real-time updates securely. Its modular design lets you pick and choose which panels or components matter most for your workflow and tailor layouts to match your process — whether agile, waterfall, or hybrid. It also includes theming support so teams can match branding or accessibility preferences without extensive styling work.
    Downloads: 2 This Week
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  • 22
    TTS WebUI

    TTS WebUI

    A single Gradio + React WebUI with extensions for ACE-Step

    ...The project provides an installer that sets up Conda, Python environments, and all necessary dependencies, so users can focus on experimenting with voices instead of managing tooling. It offers both a Gradio backend and an optional React frontend, which can be accessed on separate ports and even run inside Docker for more reproducible deployments. An extension system lets you enable extra models and tools, install community extensions from a catalog, and manage them via a dedicated GUI or CLI extension manager.
    Downloads: 3 This Week
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  • 23
    FastRTC

    FastRTC

    The python library for real-time communication

    ...It abstracts away much of the complexity that typically comes with implementing WebRTC by providing a simple interface — e.g. a Stream class — that can be mounted within a web backend (for example a FastAPI application). This makes it particularly well suited for building real-time voice (or video) interfaces for applications such as AI assistants, live chat, or collaborative audio/video tools. FastRTC also integrates nicely with UI frameworks (e.g. via a web demo using Gradio), so developers can rapidly prototype and deploy real-time streaming applications without deep knowledge of low-level WebRTC internals. ...
    Downloads: 3 This Week
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  • 24
    Tencent-Hunyuan-Large

    Tencent-Hunyuan-Large

    Open-source large language model family from Tencent Hunyuan

    Tencent-Hunyuan-Large is the flagship open-source large language model family from Tencent Hunyuan, offering both pre-trained and instruct (fine-tuned) variants. It is designed with long-context capabilities, quantization support, and high performance on benchmarks across general reasoning, mathematics, language understanding, and Chinese / multilingual tasks. It aims to provide competitive capability with efficient deployment and inference. FP8 quantization support to reduce memory usage...
    Downloads: 2 This Week
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  • 25
    BCC (BPF Compiler Collection)

    BCC (BPF Compiler Collection)

    Tools for BPF-based Linux IO analysis, networking, monitoring, etc.

    ...It is suited for many tasks, including performance analysis and network traffic control. With a BPF-specific frontend, one should be able to write in a language and receive feedback from the compiler on the validity as it pertains to a BPF backend. This toolkit aims to provide a frontend that can only create valid BPF programs while still harnessing its full flexibility.
    Downloads: 2 This Week
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