Showing 2067 open source projects for "backend"

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    Build Agents and Models on One Platform

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  • 1
    Bifrost

    Bifrost

    The Fastest LLM Gateway with built in OTel observability

    Bifrost is an LLM gateway designed to provide a unified OpenAI-compatible API front for many different model providers. It abstracts away the complexity of working directly with multiple backend providers (OpenAI, Anthropic, AWS Bedrock, Google Vertex, etc.), enabling you to plug in providers and switch between them without touching your client code. It is built to be high performance: in benchmark tests at 5,000 requests per second, it reportedly adds only microseconds of overhead and achieves perfect success rates with no failed requests. ...
    Downloads: 10 This Week
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  • 2
    Http4s

    Http4s

    A minimal, idiomatic Scala interface for HTTP

    Http4s is a minimal, idiomatic Scala interface for HTTP services. Http4s is Scala's answer to Ruby's Rack, Python's WSGI, Haskell's WAI, and Java's Servlets. http4s servers and clients share an immutable model of requests and responses. Standard headers are modeled as semantic types, and entity codecs are done by typeclass. The pure functional side of Scala is favored to promote composability and easy reasoning about your code. I/O is managed through cats-effect. http4s is built on FS2, a...
    Downloads: 7 This Week
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  • 3
    Pow Auth

    Pow Auth

    Robust, modular, and extendable user authentication system

    ...If your app requires stateless tokens, the authorization layer can be replaced in minutes. Pow has been used in countless production apps and is a "batteries included" library for production. The cache backend store used for session storage can be replaced with any key-value store of your choice. The built-in Mnesia cache module works both for clusters and single-machine persistence, which can auto-connect to the cluster on startup and self-heal after netsplit.
    Downloads: 7 This Week
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  • 4
    Ember Simple Auth

    Ember Simple Auth

    A library for implementing authentication/authorization in Ember.js

    Ember Simple Auth is a lightweight library for implementing authentication/authorization with Ember.js applications. It has minimal requirements with respect to application structure, routes etc. With its pluggable strategies it can support all kinds of authentication and authorization mechanisms. it maintains a client-side session and synchronizes its state across multiple tabs/windows of the application. it authenticates the session against the application's own server, external providers...
    Downloads: 10 This Week
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    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

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  • 5
    Kraken

    Kraken

    P2P Docker registry capable of distributing TBs of data in seconds

    Kraken is a P2P-powered Docker registry that focuses on scalability and availability. It is designed for Docker image management, replication, and distribution in a hybrid cloud environment. With pluggable backend support, Kraken can easily integrate into existing Docker registry setups as the distribution layer. Kraken has been in production at Uber since early 2018. In our busiest cluster, Kraken distributes more than 1 million blobs per day, including 100k 1G+ blobs. At its peak production load, Kraken distributes 20K 100MB-1G blobs in under 30 sec. ...
    Downloads: 10 This Week
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  • 6
    gorush

    gorush

    A push notification server written in Go (Golang)

    A push notification micro server using Gin framework written in Go (Golang) and see the demo app. Support graceful shutdown that workers and queue have been sent to APNs/FCM before shutdown service. Support different Queue as backend like NSQ or NATS, defaut engine is local Channel. You can deploy gorush to alternative solution like netlify functions. Netlify lets you deploy serverless Lambda functions without an AWS account, and with function management handled directly within Netlify. Support for HTTP, HTTPS or SOCKS5 proxy. Support retry send notification if server response is fail. ...
    Downloads: 10 This Week
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  • 7
    Zuul

    Zuul

    Gateway service providing dynamic routing, monitoring and more

    Zuul is an L7 application gateway that offers many capabilities, including dynamic routing, monitoring, security, resiliency and more. It is used in the backend of the Netflix streaming service as a front door for all requests from devices and web sites. Zuul is ideal for cases like this where API traffic volume and diversity can become overwhelming and cause production issues to arise suddenly and without warning. Zuul has a broad range of filters that enable it to perform multiple functions quickly and apply functionality to services like Netflix. ...
    Downloads: 7 This Week
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  • 8
    MagicMirror²

    MagicMirror²

    Modular smart mirror platform with a list of installable modules

    ...Share your ideas, ask your questions and get support. The perfect place for you to start. MagicMirror² has an extensively documentated API. It allows you to built your own module backed by a powerful backend. Check out the API documentation for more information and start developing today.
    Downloads: 13 This Week
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  • 9
    deepclaude

    deepclaude

    Use Claude Code's agent loop with DeepSeek V4 Pro, OpenRouter & more

    ...By swapping out the underlying model instead of the interface, deepclaude delivers the same familiar UX with significantly cheaper token pricing. The platform supports seamless backend switching in real time, allowing users to choose between cost efficiency and higher reasoning power when needed. It also includes built-in cost tracking and benchmarking tools to help developers monitor usage and optimize performance. Designed for flexibility and efficiency, deepclaude is ideal for developers who want powerful AI coding agents without the premium price tag.
    Downloads: 0 This Week
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    MongoDB Atlas runs apps anywhere

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  • 10
    Mckay’s App Template

    Mckay’s App Template

    This is the template I use to start new full-stack projects

    Mckay’s App Template is a full-stack starter template maintained by Mckay Wrigley, intended to help developers quickly bootstrap modern web applications without spending time on boilerplate setup. The template includes a frontend built with Next.js, Tailwind CSS, and often UI components/frameworks like Shadcn + Framer Motion; a backend stack using PostgreSQL, Supabase, and Drizzle ORM for database operations; authentication via Clerk; and optional payment integration using Stripe. By providing a ready-to-go configuration (with example folder structure, database setup, auth, payment hooks, and environment templates), it lets developers skip the tedious initial setup and get straight to building product features. ...
    Downloads: 0 This Week
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  • 11
    APIJSON

    APIJSON

    Real-Time coding-free, powerful and secure ORM

    APIJSON is an open-source framework developed by Tencent that enables zero-code, real-time, and secure API development. It allows developers to perform CRUD operations through JSON-based requests without writing backend code, significantly accelerating development and reducing errors. APIJSON supports fine-grained access control, parameter validation, and seamless integration with various databases, making it a powerful tool for building scalable APIs.
    Downloads: 2 This Week
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  • 12
    Blade Build System

    Blade Build System

    Blade is a powerful build system from Tencent

    An easy-to-use, fast and modern build system for trunk-based development in large-scale mono repo codebase. The code on the master branch is the development version and should be considered as alpha version. Please prefer using the version on the tags in your formal environment. We will release the verified version on the large-scale internal code base to the tag from time to time.
    Downloads: 2 This Week
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  • 13
    AI-Media2Doc

    AI-Media2Doc

    AI tool converting video/audio into structured documents instantly

    ...AI-Media2Doc emphasizes privacy by processing media locally in the browser using WebAssembly-based ffmpeg, ensuring that original video files are not uploaded externally. It separates client-side media handling from backend AI processing, reducing data exposure while still enabling transcription and document generation. AI-Media2Doc supports flexible customization through prompts, allowing users to tailor output styles based on their needs. It also includes features like subtitle export and AI-assisted follow-up questioning for deeper interaction with the generated content.
    Downloads: 9 This Week
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  • 14
    OpenSearch

    OpenSearch

    Open source distributed and RESTful search engine

    ...After adding your data to OpenSearch, you can perform full-text searches on it with all of the features you might expect: search by field, search multiple indices, boost fields, rank results by score, sort results by field, and aggregate results. Unsurprisingly, people often use search engines like OpenSearch as the backend for a search application, think Wikipedia or an online store. It offers excellent performance and can scale up and down as the needs of the application grow or shrink. Its distributed design means that you interact with OpenSearch clusters. Each cluster is a collection of one or more nodes, servers that store your data and process search requests. ...
    Downloads: 9 This Week
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  • 15
    ShowDoc

    ShowDoc

    ShowDoc is a tool greatly applicable for an IT team to share documents

    ...ShowDoc is a tool greatly applicable for an IT team to share documents online. It can promote communication efficiency between members of a team. With the development of mobile Internet, BaaS (Backend as a Service) becomes more and more popular.
    Downloads: 9 This Week
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  • 16
    Auth.js

    Auth.js

    Authentication for the Web

    Auth.js is a set of open-source packages that are built on standard Web APIs for authentication in modern applications with any framework on any platform in any JS runtime.
    Downloads: 0 This Week
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  • 17
    Steedos Platform

    Steedos Platform

    The AI-Native Infrastructure for Enterprise Apps

    ...Object UI turns metadata into responsive React and Tailwind interfaces, while still allowing custom components and pro-code extension. Steedos is built for teams that need enterprise-grade apps with low-code speed, AI assistance, and flexible backend architecture.
    Downloads: 6 This Week
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  • 18
    WireGuard Easy

    WireGuard Easy

    The easiest way to run WireGuard VPN + Web-based Admin UI

    WireGuard Easy is a streamlined solution for deploying and managing a WireGuard VPN server through a web-based interface, designed to eliminate the complexity typically associated with manual VPN configuration. It combines the WireGuard backend with a user-friendly admin dashboard, allowing users to control clients, monitor connections, and generate configuration files without interacting directly with command-line tools. The project is commonly deployed using Docker, making installation fast and consistent across environments, particularly on Linux servers and cloud instances. ...
    Downloads: 6 This Week
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  • 19
    Seerr

    Seerr

    Open-source media request and discovery manager for Jellyfin

    ...It integrates seamlessly with popular media servers like Jellyfin, Plex, and Emby, allowing users to browse catalogs and make automated requests for items they want added to the library. Seerr also integrates with backend automation tools such as Sonarr, Radarr, and others to automatically handle content delivery once a request is approved. The project emerged from a merge of similar tools to create a single unified codebase focused on elegant media discovery, streamlined request flows, and a modern UI. It’s designed for both home users and self-hosters who want an easier way to coordinate media requests among family, friends, or community members. ...
    Downloads: 6 This Week
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  • 20
    Design OS

    Design OS

    The missing design process between your product idea and your codebase

    ...It fills what the maintainers describe as the “missing design process” in AI-first development, helping users define product visions, model data, map user flows, and lay out interfaces before a coding agent begins implementation. The tool is poised to produce production-ready UI components and artifacts that any AI coding tool can consume, encouraging a disciplined front-to-backend workflow that avoids disjointed, reactive design prompts. Design OS emphasizes clarity of intent, consistency of design systems, and exporting usable components rather than just static mockups, which aligns better with automated build pipelines and agent-driven development.
    Downloads: 6 This Week
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  • 21
    Reitit

    Reitit

    A fast data-driven routing library for Clojure/Script

    ...It offers declarative route definition, efficient path resolution, and flexible route metadata, enabling both server-side and client-side routing with high performance and extensibility. A Ring routing app with input & output coercion using data-specs. Simple web application using Ring/Reitit and Integrant. A simple Clojure backend using Reitit to serve up a RESTful API.
    Downloads: 4 This Week
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  • 22
    SaaS Boilerplate

    SaaS Boilerplate

    SaaS Boilerplate built with Next.js + Tailwind CSS + Shadcn UI

    SaaS Boilerplate is a powerful and fully customizable template to kickstart your SaaS applications. Built with Next.js and Tailwind CSS, and the modular UI components of Shadcn UI. This Next.js SaaS Template helps you to quickly build and launch SaaS with minimal effort. Packed with essential features like built-in Authentication, Multi-Tenancy with Team support, Role & Permission, Database, I18n (internationalization), Landing Page, User Dashboard, Form handling, SEO optimization, Logging,...
    Downloads: 6 This Week
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  • 23
    Diffuse

    Diffuse

    A music player that connects to your cloud/distributed storage

    A music player that connects to your cloud/distributed storage, in the form of a static, serverless, web application. Diffuse is a static web application, which means it's just HTML, CSS, and Javascript. No REST API, database, or anything backend-related is involved. The app uses a hash (aka. fragment-based) routing system, so you don't need any special server rules for routing. You can download a pre-build web-only version of Diffuse on the releases page. Diffuse uses service workers, so you may need HTTPS for it to work smoothly in certain browsers. I should also note that some source services use OAuth, so you'll need to use your own application credentials (eg. ...
    Downloads: 6 This Week
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  • 24
    Amazon Braket Default Simulator

    Amazon Braket Default Simulator

    An implementation of a quantum simulator that you can run locally

    The Amazon Braket Default Simulator is a Python open-source library that provides an implementation of a quantum simulator that you can run locally. You can use the simulator to test quantum tasks that you construct for the Amazon Braket SDK before you submit them to the Amazon Braket service for execution. You must have the Amazon Braket SDK installed to use the local simulator. Follow the instructions in the README for setup. If you want to contribute to the project, be sure to run unit...
    Downloads: 6 This Week
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  • 25
    Ariadne

    Ariadne

    Python library for implementing GraphQL servers

    ...Ariadne enables Python developers to use a schema-first approach to the API implementation. This is the leading approach used by the GraphQL community and supported by dozens of frontend and backend developer tools, examples, and learning resources. Ariadne makes all of this immediately available to you and other members of your team. Ariadne offers a small, consistent, and easy to memorize API that lets developers focus on business problems, not the boilerplate. Ariadne was designed to be modular and open for customization. ...
    Downloads: 4 This Week
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