Open-source alternatives to Bolt.new

Wasp is a declarative full-stack web framework that enables developers to build and deploy applications by defining their architecture in a centralized configuration. By using a high-level specification, the framework automates the orchestration of frontend, backend, and database components, ensuring that infrastructure concerns like routing, authentication, and data modeling are handled consistently across the entire stack. The framework distinguishes itself through its compiler-driven approach, which translates declarative configurations into cohesive, production-ready codebases. It provide

Kilocode is an autonomous engineering platform designed to orchestrate AI agents for complex software development tasks. It functions as a comprehensive system for automating coding, testing, and repository management by integrating directly with your codebase and terminal. The platform provides a unified gateway for model orchestration, allowing for the management of agentic workflows, event-driven automation, and persistent session state across distributed development environments. The platform distinguishes itself through its federated task management and policy-based access control, which

Devika is an autonomous AI software engineering system designed to plan, write, and debug code from high-level natural language instructions. It functions as an agentic software engineer that decomposes complex objectives into actionable coding steps for autonomous execution. The system integrates cloud-based and self-hosted large language models through a provider-agnostic layer, allowing for multi-model reasoning and code completion. It distinguishes itself by combining these models with a sandboxed execution environment for running code across different operating systems and a web-browsing

Bolt.diy is a browser-based integrated development environment designed for full-stack web application construction. It functions as an AI-powered development platform that automates project scaffolding, code generation, and application deployment directly within the browser. The platform distinguishes itself through a secure, isolated execution environment that runs development servers and package managers in a sandboxed container. It utilizes a provider-agnostic model abstraction, allowing users to connect multiple artificial intelligence services to power automated reasoning and code gener

Pynecone is a full-stack web framework and application platform that enables the development of complete web applications using only Python for both frontend and backend logic. It functions as a web UI library for creating interactive user interfaces and managing application state without the need to write JavaScript. The platform includes a generative AI app builder that automatically produces application structures and source code. It simplifies development by mapping Python-defined UI elements to native React components and automatically transforming Python functions into REST endpoints.

vibe-vibe is an LLM agent engineering framework and toolchain optimizer designed for orchestrating multi-agent systems. It serves as a comprehensive guide and methodology for transforming conceptual ideas into deployed applications through agentic software engineering. The project focuses on the orchestration of specialized AI agent roles with defined collaboration boundaries and iterative feedback loops. It provides frameworks for toolchain optimization, including the selection and evaluation of protocols that extend model capabilities and the design of standardized tool interfaces. The sys

OpenHands is an autonomous agent framework designed for software engineering workflows. It provides a modular platform for orchestrating AI agents that reason, plan, and execute tasks within isolated, containerized development environments. By integrating with standard version control and development tools, the system enables agents to autonomously navigate codebases, implement features, and resolve issues through iterative reasoning and tool execution. The platform distinguishes itself through a model-agnostic orchestrator that connects diverse language models to a unified tool registry. It

WebContainer is a browser-based runtime environment designed to execute server-side code, operating system commands, and full-stack development toolchains directly within a web tab. It provides the infrastructure for cloud IDEs and zero-install development workflows by simulating a runtime that eliminates the need for local installations or remote virtual machines. The system leverages WebAssembly to map system calls and implements a virtual POSIX-compliant filesystem and network interception layer. This allows the runtime to spawn command-line processes, execute shell commands, and route int

pad.ws is a web-based development environment that integrates a code editor and terminal with a shared visual canvas for sketching. It functions as a remote development environment and a collaborative visual programming space where teams can map out architectural concepts and write code within a single interface. The project bridges the gap between design and execution by combining a digital whiteboard with a cloud development environment. This allows users to perform visual software planning and technical ideation by linking sketches on an interactive canvas directly to the implementation co

OpenClaude is an LLM orchestration interface and multi-provider AI gateway that connects various AI providers and local models to an integrated tool suite. It functions as an agentic tool execution environment and a system for AI-powered code editor integration, enabling in-editor chat and automated coding tasks. The project provides a gRPC AI agent service that exposes model capabilities and file editing tools to external applications as a headless service. It also includes a configuration layer for managing provider credentials and routing specific agents to different model APIs. The syste

Phoenix is a comprehensive web development suite that provides a browser-based code editor, an AI-powered coding assistant, and a live web previewer. It integrates a visual Markdown document editor and a web-based Git client, allowing users to write and manage HTML, CSS, and JavaScript across different devices and platforms. The environment features a visual UI design system that maps canvas manipulations directly to code and enables in-place CSS editing. It supports real-time change previews and responsive layout testing across multiple device breakpoints to verify rendering on phones, table

Flexpilot is a browser-based integrated development environment that combines a code editor with containerized workspaces. It provides a cloud-hosted platform for software development, allowing users to access fully functional coding environments directly through a web browser without requiring local software installations. The platform distinguishes itself by integrating conversational artificial intelligence directly into the editor interface. Through a unified abstraction layer, it connects to external artificial intelligence models to provide automated code generation, deep analysis, and

This project is an AI agent workflow orchestrator and automated software lifecycle manager designed to sequence specialized AI personas for end-to-end software development. It serves as a prompt engineering library and a full-stack development toolkit that guides the process from initial discovery and specification through to deployment and code review. The system features a context management framework that utilizes progressive loading and routing tables to fetch reference files on-demand, reducing token consumption within the model context window. It employs a definition-based routing syste

GitHub Copilot is an AI-powered development platform designed to integrate large language models directly into coding environments. It functions as an interactive assistant and an agentic workflow orchestrator, enabling developers to automate code generation, perform automated code reviews, and execute complex, multi-step development tasks through natural language prompts. The platform distinguishes itself through its autonomous agent capabilities, which allow for repository-level research, implementation planning, and code modifications across multiple files. It supports a modular architectu

CodeGeeX is a multilingual large language model and AI code completion engine designed to generate, translate, and complete source code across numerous programming languages. It functions as an intelligence layer that synthesizes logic from natural language prompts and existing code snippets. The project provides a specialized source code translator that converts logic and functionality between different programming languages while preserving the original behavior. It also operates as an integrated AI assistant suite, offering extensions that embed generative AI directly into development envi

Tambo is an orchestration platform and framework designed for building generative user interfaces and conversational AI agents. It provides the infrastructure to manage persistent chat threads, execute multi-step reasoning workflows, and integrate large language models with external tools and services. By combining an agent orchestration layer with a component-based library, the project enables developers to create interactive interfaces where AI models dynamically render and update UI elements in real-time. The framework distinguishes itself through its generative UI capabilities, which allo

Qwen-code is an AI-powered development framework designed for orchestrating intelligent coding agents within terminal and IDE environments. It provides a comprehensive infrastructure for automating software maintenance, code generation, and complex refactoring tasks by managing multi-agent workflows and persistent session states. The system is built to handle both interactive development and automated background processes, ensuring that agents can execute shell commands and file operations safely within isolated, sandboxed environments. What distinguishes this project is its focus on granular

Cline is an extensible agent runtime and multi-agent orchestration engine designed to automate complex software engineering workflows. It functions as an integrated development environment extension that bridges strategic task planning with autonomous execution, allowing users to manage multi-step projects through human-in-the-loop oversight or independent agent operation. The platform distinguishes itself by enabling the creation of specialized agent teams that share a common state and coordinate through a centralized task manager. It enforces project-specific architectural guidelines and co

This project is a web development tutorial site and a Ruby on Rails learning resource designed as a beginner programming guide. It serves as a technical workshop curriculum and a structured framework for organizing and coaching community-led programming events. The site functions as a static site generator that converts Markdown content and templates into pre-rendered HTML pages. This architecture supports the delivery of step-by-step guides and instructional materials used to teach new learners how to build web applications. The content covers a broad range of capabilities, including Ruby o

Boto3 is the AWS SDK for Python, providing a programmatic interface for managing and automating AWS cloud infrastructure and services. It serves as a cloud management API client and resource manager for provisioning, configuring, and scaling virtual servers, databases, and storage. The library enables the implementation of infrastructure-as-code through declarative templates and scripts, allowing for the deployment of identical resource stacks across multiple accounts and geographic regions. It also provides a framework for coordinating distributed workflows, serverless functions, and contain

OpenUI is an AI design sandbox and natural language prototyping tool used to generate and render live user interface components from text descriptions. It functions as an LLM UI generator that translates natural language into executable HTML and CSS code. The system provides a pipeline for iterative refinement, allowing users to update existing interfaces by feeding previous code versions and new instructions back into the model. It also acts as a frontend framework converter, transforming HTML markup into different library formats to maintain styling consistency across various web frameworks

Marimo is a reactive Python notebook environment and data science integrated development environment. It functions as a scripting tool that maintains state consistency by automatically tracking variable dependencies and re-executing downstream code blocks whenever upstream inputs are modified. The platform distinguishes itself by storing notebooks as standard, portable Python scripts rather than proprietary formats, ensuring compatibility with version control systems. It integrates artificial intelligence to assist with code generation and debugging based on the current execution context, whi

This project is a Neovim plugin that integrates large language models directly into the text editor to provide conversational programming assistance. It functions as an artificial intelligence coding assistant, enabling users to generate, refactor, and modify source code through natural language prompts and iterative chat sessions. The extension distinguishes itself by performing in-place code editing, where it applies suggestions directly to the active file buffer using precise diff-based patching. It supports agentic workflows by allowing models to execute shell commands and local scripts,

create-t3-app is a full stack web framework initializer and project scaffolder. It functions as a command line tool for initializing Next.js applications, acting as a TypeScript full stack starter that generates a predefined folder structure and configuration files. The tool focuses on establishing a typesafe full stack architecture. It enforces end-to-end type safety between the client and server, ensuring that data types remain synchronized across the entire application stack to prevent runtime errors. The initializer automates the setup of a full stack development environment by bootstrap

Goose is an extensible agentic AI platform designed for autonomous task orchestration and developer-centric assistance. It provides a workflow engine that manages complex, multi-step objectives by delegating tasks to specialized subagents, all while maintaining stateful session continuity. The system is built to integrate directly into terminal and coding environments, allowing for automated file manipulation and context-aware interaction. The platform distinguishes itself through a secure, sandboxed runtime environment that enforces granular permission controls and policy-driven guardrails.

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

This project is a curated technical resource directory and software engineering learning roadmap. It serves as a computer science study curriculum and professional development framework, providing staged progressions for mastering programming languages, data structures, and full-stack development. The repository functions as a career preparation guide, offering strategic frameworks for resume building, technical interview practice, and internship application targeting. It includes a system for identifying income opportunities and managing a professional social presence to increase visibility.