Showing 235 open source projects for "backend"

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    Build Agents and Models on One Platform

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  • 1
    Vratix API Module Library

    Vratix API Module Library

    Easy to use Open Source modules that implement common API logic

    We created this library of reusable API modules to simplify API development because we were wasting too much time setting up basic functionality and researching the latest backend best practices. We wanted a repository of high-quality API modules we can reuse, copy and paste into our projects and have a working backend in seconds. Currently, the modules work for Express.js, however, we’re actively working to extend compatibility with other backend languages and popular Node.js frameworks. We would be more than happy for you to contribute and help us achieve this faster.
    Downloads: 0 This Week
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  • 2
    wterm

    wterm

    A terminal emulator for the web

    wterm is a web-based terminal emulator designed to bring interactive command-line experiences directly into the browser. Built with modern web technologies, it allows users to run terminal sessions remotely without installing local clients. The project integrates with backend systems to provide real-time command execution and output streaming. It is particularly useful for cloud platforms, developer tools, and remote environments. The interface is designed to mimic traditional terminals while leveraging web capabilities such as accessibility and portability. wterm enables seamless interaction with remote systems through a browser interface. ...
    Downloads: 3 This Week
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  • 3
    Surmon.me

    Surmon.me

    Personal website and blog

    ...The project functions as a server-side rendered (SSR) web application that delivers content dynamically while maintaining performance and SEO optimization. It is powered by a dedicated backend service called NodePress, which provides RESTful APIs for content management, data retrieval, and system operations. The platform is not just a static blog but part of a modular architecture that includes an admin dashboard, a mobile app, and even AI-assisted features, all designed to work together cohesively. The frontend is built using modern tools such as Vite, TypeScript, and state management libraries, enabling scalability and maintainability. ...
    Downloads: 7 This Week
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  • 4
    Supabase

    Supabase

    The open source Firebase alternative

    Create a backend in less than 2 minutes. Start your project with a Postgres database, authentication, instant APIs, real-time subscriptions and storage. Every project is a full Postgres database, the world's most trusted relational database. Add user sign-ups and logins, securing your data with Row Level Security. Store, organize and serve large files.
    Downloads: 122 This Week
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    MongoDB Atlas runs apps anywhere

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

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 5
    Terminal Code

    Terminal Code

    VS Code in the terminal

    ...An interactive shortcut setup helps resolve key conflicts between the editor and terminal. Remote development is optimized through SSH by keeping the frontend local while running the VS Code backend remotely. It targets macOS and Linux, with Windows use possible through WSL and a compatible terminal.
    Downloads: 4 This Week
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  • 6
    CADAM

    CADAM

    CADAM is the open source text-to-CAD web application

    ...A key idea is that the generated output is parametric and scriptable, enabling repeatable edits and variations rather than a one-off mesh result. The project integrates modern web tooling and a backend stack to manage sessions, model generation requests, and persisted outputs, making it usable as an actual product rather than only a demo. It’s also built to support an agentic workflow, where the system can refine outputs over multiple steps, bridging the gap between intent (“a bracket with four mounting holes”) and precise geometry.
    Downloads: 14 This Week
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  • 7
    Anthropic SDK TypeScript

    Anthropic SDK TypeScript

    Access to Anthropic's safety-first language model APIs

    anthropic-sdk-typescript is the TypeScript / JavaScript client library for the Anthropic REST API, enabling backend or Node.js usage of models like Claude. It wraps API endpoints for creating messages, streaming responses, and managing parameters in a type-safe TS environment. The library is designed for server-side use, interfacing with REST, and is stable for integration in web services or backend agents. Example usage shows how to instantiate the Anthropic client, call client.messages.create(...), and obtain responses. ...
    Downloads: 0 This Week
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  • 8
    Autoskills

    Autoskills

    One command. Your entire AI skill stack. Installed

    ...Once the stack is identified, it automatically installs a curated set of AI skills tailored to those technologies, significantly reducing setup time for AI-assisted development environments. The system is designed to work across a wide range of ecosystems, including frontend, backend, mobile, cloud, and AI tooling stacks. It also supports integration with environments like Claude Code by generating structured summaries of installed skills. By removing the need for manual configuration, it streamlines the onboarding process for AI-assisted workflows. Overall, autoskills functions as an intelligent automation layer that bridges project context with AI tooling capabilities.
    Downloads: 8 This Week
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  • 9
    Bedrock Chat

    Bedrock Chat

    AWS-native chatbot using Bedrock

    ...Chat platforms of this type frequently include tools for maintaining conversation history, managing prompts, and connecting to multiple model providers. By combining a chat interface with backend AI services, these systems allow users to explore generative AI capabilities in a structured environment.
    Downloads: 8 This Week
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  • 10
    Suna

    Suna

    Suna - Open Source Generalist AI Agent

    ...It serves as a digital companion for research, data analysis, and everyday challenges, integrating tools like browser automation, file management, web crawling, command-line execution, website deployment, and API integration. Suna's architecture comprises a FastAPI-based backend, a Next.js/React frontend, an agent Docker environment, and a Supabase database for state management. This modular design allows for seamless interaction and task execution through simple conversations. ​
    Downloads: 5 This Week
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  • 11
    Happy Coder

    Happy Coder

    Mobile and Web client for Codex and Claude Code, with realtime voice

    ...You can start a coding session locally through the Happy CLI or connect from a phone or browser, allowing developers to inspect, interact with, and guide the AI as it generates, tests, or explains code. The project includes components like a dedicated backend server for encrypted sync, a rich front-end experience across web and native apps, and support for push notifications when your coding agent encounters permission requests or errors. Happy prioritizes security with end-to-end encryption so your code and interactions remain private and auditable.
    Downloads: 10 This Week
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  • 12
    VibeSDK

    VibeSDK

    Open source full-stack AI vibe coding platform & web app generator

    ...VibeSDK gives you the exact methodology, tools, and confidence to turn your ideas into revenue-generating products, faster than you thought possible. Live preview of generated apps in isolated sandbox containers. Support for React + TypeScript + Tailwind generation, backend routing, and modern web stack scaffolding.
    Downloads: 6 This Week
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  • 13
    Cofounder

    Cofounder

    AI tool that generates full-stack web apps with generative UI systems

    Cofounder is an experimental open source development tool designed to generate complete full-stack web applications using AI-assisted workflows. It focuses on creating applications that include a backend, database integration, and stateful web interfaces while also generating user interfaces through a generative UI system rooted in application architecture. Developers can describe a project and allow the system to incrementally produce a working codebase that includes both backend services and a modern web frontend built with a Vite and React setup. ...
    Downloads: 0 This Week
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  • 14
    ffmpeg-commander

    ffmpeg-commander

    A web-based GUI for quickly generating common FFmpeg command-line

    ...Built with modern web technologies, it generates FFmpeg commands dynamically based on user input. The tool focuses on common workflows such as format conversion, compression, and codec selection. It can optionally connect to a backend service to execute commands and stream progress updates in real time. The interface is inspired by tools like HandBrake, aiming to lower the barrier to entry for FFmpeg usage. Overall, it acts as a bridge between ease of use and powerful multimedia processing capabilities.
    Downloads: 2 This Week
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  • 15
    Nimbalyst

    Nimbalyst

    Run multiple Codex and Claude Code AI sessions

    Crystal is an open-source project focused on building a lightweight and flexible system for managing structured data, workflows, or automation pipelines, typically oriented toward developer productivity and extensible backend tooling. It is designed with modularity in mind, allowing developers to define reusable components and compose them into larger workflows that can adapt to different use cases. The project emphasizes simplicity and clarity, making it easier to understand and extend compared to heavier enterprise frameworks. Crystal often leverages modern programming practices and clean architecture principles to ensure maintainability and scalability as projects grow. ...
    Downloads: 2 This Week
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  • 16
    Memobase

    Memobase

    Fast backend for long-term AI user memory via structured profiles

    Memobase is an open source backend system that enables long-term user memory functionality for AI applications by capturing and structuring information about users across interactions. Its design centers on creating user profiles and recording event timelines, allowing AI systems to remember, understand, and evolve in their behaviour toward individual users over time.
    Downloads: 8 This Week
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  • 17
    Bagisto Next.js Commerce

    Bagisto Next.js Commerce

    Open source headless commerce that’s fast, flexible

    ...By separating backend commerce logic from the frontend presentation layer, developers can customize the shopping interface while maintaining robust product, order, and customer management through the Bagisto platform. The architecture is API-driven, allowing developers to build custom frontends, mobile apps, or integrations without being locked into a specific interface.
    Downloads: 5 This Week
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  • 18
    Hollama

    Hollama

    A minimal LLM chat app that runs entirely in your browser

    ...The project provides a minimal but powerful user interface for communicating with local or remote LLMs, including servers powered by Ollama or OpenAI-compatible APIs. Because the application runs as a static web interface, it does not require complex backend infrastructure and can be easily deployed or self-hosted. Hollama supports both text-based and multimodal interactions, allowing users to work with models that process images as well as text. The interface includes features for editing prompts, retrying responses, copying generated code snippets, and storing conversation history locally within the browser. ...
    Downloads: 5 This Week
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  • 19
    VERT.sh

    VERT.sh

    The next-generation file converter

    ...The system supports over 250 file formats and includes customizable conversion settings, allowing users to fine-tune output parameters. For more demanding tasks such as video processing, it offers an optional self-hosted backend component, giving users flexibility between local and distributed workflows.
    Downloads: 3 This Week
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  • 20
    AutoSubs

    AutoSubs

    Instantly generate AI-powered subtitles on your device

    ...Users can customize subtitle styling, adjust timing, and export results in multiple formats, making it suitable for content creators, filmmakers, and editors. AutoSubs is designed with performance in mind, offering efficient processing through a Rust-based backend and supporting multiple operating systems including Windows, macOS, and Linux.
    Downloads: 89 This Week
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  • 21
    RisuAI

    RisuAI

    Make your own story. User-friendly software for LLM roleplaying

    RisuAI (or Risu) is a cross-platform AI roleplay chat application—available as both a desktop and web solution—offering creative story-building and character interaction experiences with support for multiple APIs, in-chat assets, regex capabilities, and more. Supports OpenAI, Claude, Gemini, DeepInfra, Ooba, OpenRouter... and More. Display the image of the current character, according to his/her expressions. Modify model's output by regex, to make a custom GUI and others.
    Downloads: 39 This Week
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  • 22
    Acorn PM

    Acorn PM

    Built with Holochain, Acorn is an open-source, peer-to-peer pm

    Acorn is an alpha‑stage, open‑source, peer‑to‑peer project management tool built using Holochain. It offers a distributed, serverless alternative to Scrum by enabling teams to collaboratively set “Intended Outcomes” within a dependency‑tree framework—ideal for managing decentralized development workflows.
    Downloads: 6 This Week
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  • 23
    eve

    eve

    The Framework for Building Agents

    eve is Vercel’s open-source framework for building, running, and scaling durable backend AI agents. It uses a filesystem-first model where an agent is defined as a directory of files, making the project structure itself the agent contract. The framework is designed to include production concerns from the start instead of leaving developers to assemble durability, sandboxing, approvals, and deployment separately. Eve supports durable execution, sandboxed compute, human-in-the-loop approvals, subagents, long-running work, and Vercel-native deployment. ...
    Downloads: 1 This Week
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  • 24
    faster_react

    faster_react

    Full Stack web framework with React + Faster

    ...The framework automatically detects changes, reloads components, and minifies frontend code for production. With Faster React, developers can focus on building applications while the framework handles essential backend and frontend tasks seamlessly.
    Downloads: 0 This Week
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  • 25
    Excalidraw MCP

    Excalidraw MCP

    Fast and streamable Excalidraw MCP App

    Excalidraw-MCP is an open-source Model Context Protocol (MCP) application and server that connects the visual power of Excalidraw’s hand-drawn diagram editor with AI-driven workflows, enabling agents like Claude, ChatGPT, VS Code, and other MCP-compatible hosts to generate and manipulate diagrams programmatically. Rather than being just a static whiteboard, Excalidraw-MCP serves diagrams in real time using an MCP backend and streams interactive visual output back to the client, letting AI tools create shapes, connectors, text, and entire diagrams as part of conversational or task-based sessions. Its design supports fast, streamable rendering with smooth viewport control and optional fullscreen editing so that diagrams feel live and fluid as they evolve. ...
    Downloads: 5 This Week
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