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10 Best Open Source Jules Alternatives

A curated collection of the 10 best open source and self-hosted alternatives to Jules in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Jules in 2026? The top open-source alternative is OpenCode — Open source AI coding agent for developers.

Other highly rated open-source Jules alternatives include OpenHands, Cline and SWE-agent.

201,854

Open source AI coding agent for developers

OpenCode preview

OpenCode is an open-source AI coding agent designed to help developers write, debug, and manage code efficiently. It integrates seamlessly with your terminal, IDE, or desktop app, providing real-time assistance powered by advanced AI models. - Multi-Model Support: Connect to any AI model from providers like Claude, GPT, or Gemini, or use local models. - LSP Integration: Automatically loads the right Language Server Protocols (LSPs) for the LLM to enhance coding accuracy. - Multi-Session Workflows: Run multiple agents in parallel on the same project for complex tasks. - Shareable Sessions: Generate shareable links for debugging or reference, ideal for team collaboration. - Editor Agnostic: Available as a terminal interface, desktop app (macOS, Windows, Linux), and IDE extensions. - Privacy-First Design: Does not store your code or context data, ensuring compliance with sensitive environments. - GitHub Copilot Integration: Log in with GitHub to use your existing Copilot account. - OpenAI Integration: Use your ChatGPT Plus or Pro account directly within OpenCode. - Zen Models: Access handpicked, benchmarked models optimized specifically for coding agents. OpenCode is open-source and can be self-hosted for full control over your data and infrastructure. It supports integration with 75+ LLM providers through Models.dev, including local model deployment. The desktop app is available for macOS, Windows, and Linux, while the terminal interface and IDE extensions provide flexibility across development environments.

85,252

Open platform for cloud coding agents

OpenHands preview

OpenHands is the open-source, model-agnostic platform for cloud coding agents. It enables engineers to automate real engineering work securely and transparently, providing full control over the agentic software development lifecycle (SDLC). - Model-Agnostic: Works with any AI model or agent framework - Agent Canvas: Visual interface for customizing and automating agent workflows - Cloud & Local Deployment: Run agents in the cloud or on-premise - SDK & Plugins: Extensible SDK with MCP servers, skills, and plugins - Security & Transparency: Built-in audit trails and secure execution environments - Enterprise Control Plane: Centralized management for large-scale deployments - Skill Management: Enable/disable default skills and add custom ones - Repository Context: Deep integration with GitHub and other version control systems OpenHands is fully open-source (Apache 2.0) and can be self-hosted. The platform supports both cloud and local deployment options, with enterprise features available for larger organizations. Documentation and setup guides are provided for all deployment scenarios.

66,966

Open-source AI coding agent for developers

Cline preview

Cline is an open-source AI coding agent designed to help developers understand, refactor, and automate codebases directly within their IDE, terminal, or SDK. It supports Plan and Act modes for strategic execution, integrates with MCP for tool access, and works with any model—Claude, GPT, Gemini, or local models like Ollama. - Cross-Platform Edits: Coordinated multi-file changes with linter-aware fixes, diffs, and one-click undo. - Terminal Execution: Runs bash commands and reacts to output in real-time, handling long-running processes like dev servers and tests. - Plan & Act Modes: Toggle Plan mode to align on strategy, then Act to execute with approval or autopilot. - Custom Rules & Skills: Define .clinerules to teach the agent your coding standards, architecture, and deployment conventions. - Model Flexibility: Use any model—Claude, GPT, Gemini, local Ollama/LM Studio, or OpenAI-compatible endpoints. Bring your own keys or weights. - MCP Integration: Extend functionality with the Model Context Protocol (MCP) for tool access and custom workflows. - IDE & CLI Support: Works in VS Code, JetBrains, Cursor, Windsurf, and via CLI for scripts, cron jobs, and CI pipelines. - Enterprise Ready: Trusted by global enterprises like Samsung, Salesforce, Oracle, Amazon, and Microsoft. Cline is open-source (Apache 2.0) and can be self-hosted. It supports local model integration (e.g., Ollama, LM Studio) and is compatible with any OpenAI-compatible endpoint. The CLI and SDK allow embedding Cline in custom workflows or products.

20,151

AI-powered autonomous software engineering agent

SWE-agent preview

SWE-agent is an autonomous AI agent designed to assist with software engineering tasks by leveraging language models to interact with tools and repositories. - Autonomous Issue Resolution: Uses language models (e.g., GPT-4o, Claude Sonnet 4) to autonomously fix issues in GitHub repositories. - Tool Integration: Supports custom tools and configurations for extended functionality. - Batch Processing: Enables running multiple instances for batch processing of tasks. - Trajectory Inspection: Provides tools to inspect and analyze agent trajectories and outputs. - Flexible Deployment: Can be installed from source, in browser (Codespaces), or via Docker. - Configuration Management: Supports detailed configuration files for models, tools, environments, and demonstrations. - Tutorials & Guides: Includes comprehensive tutorials for getting started, command-line basics, and advanced usage. - API Reference: Full documentation for run, instance, agent, and environment configurations. - Open Source: Available under the MIT License on GitHub. - Self-Hosted: Can be deployed locally or in cloud environments (e.g., Codespaces, Docker). - Model Support: Compatible with various language models, including GPT-4o and Claude Sonnet 4. - Dependencies: Requires Python and Docker for local deployment.

1,203

Dev environment for AI agents with isolated workspaces

Jean preview

Jean is an opinionated AI agent workspace designed to streamline AI-assisted development workflows. It provides a cohesive environment with Git worktrees, chat sessions, terminals, and integrations with GitHub & Linear, all in one place. - Isolated Workspaces: Run AI agents in parallel using git worktrees for independent task execution without chaos. - Linked Projects: Connect multiple repositories to create a unified knowledge base for AI agents across related codebases. - Magic Git Commands: Simplify repetitive Git operations with guided AI workflows and automation. - Magic Prompts: Customizable AI instructions for tailored agent behavior and workflows. - Server & Web Access: Deploy on a dedicated server or enable web access in the desktop app for remote collaboration. - Native & Browser Clients: Connect via native app or browser with token-protected HTTP/WebSocket access. - Multi-Platform Support: Available for macOS, Windows, Linux (x64/ARM) with AppImage, DEB, RPM, DMG, and EXE formats. - Integration Support: Works with popular AI models including Claude, Codex, OpenCode, Cursor, Pi, Command Code, Grok, and Kimi Code. Jean is open source and free forever. It can be self-hosted using jean-server on a dedicated Linux host or enabled via web access in the desktop app. The server runs on port 3456 by default with token-protected access. Tailscale is recommended for private mesh networking instead of exposing public ports.

1,078

Open-source BYOK GitHub bot for code reviews

Pullfrog preview

PullFrog is an open-source GitHub bot designed to automate code reviews and enforce quality standards directly within GitHub Actions. Unlike proprietary solutions, it allows you to bring your own model (BYOK) for AI-powered reviews while maintaining full control over your workflows. - Model-Agnostic Reviews: Integrate any AI model or custom logic for code reviews without vendor lock-in. - GitHub Actions Integration: Runs seamlessly within GitHub Actions for streamlined workflows. - Customizable Rules: Define your own review criteria, quality gates, and automation rules. - BYOK (Bring Your Own Key): Maintain control over your AI models and data privacy. - Open-Source: Fully transparent and customizable to fit your team's needs. - Multi-Language Support: Works with any programming language supported by GitHub. - Automated Feedback: Provides instant, actionable feedback on pull requests. PullFrog is designed to run entirely within GitHub Actions, eliminating the need for external hosting. The bot is open-source and can be self-hosted by deploying the repository to your own GitHub organization. No additional infrastructure is required beyond a GitHub account and Actions permissions.

AI coding agent that ships reviewable PRs

Roomote preview

Roomote is an AI-powered coding agent designed to act as your engineering teammate. It runs in your actual dev environment, verifies its work, reviews code with a different model, and submits PRs with live previews for approval. This enables faster development with unlimited parallel tasks while maintaining full control over your workflow. - Model-Agnostic: Bring your own model (BYOK) and mix providers for intelligence, price, or throughput optimization. - Automated Workflows: Handles inbound issues and proactively finds improvements without manual prompting. - Live Previews: Runs your actual app before marking work complete and provides reviewable URLs. - Built-in Review Loops: Reviews its own changes, catches issues early, and fixes problems before human intervention. - Multi-Platform Integration: Works seamlessly with Slack, Teams, Discord, Telegram, and mobile devices. - Single-Tenant Architecture: Always isolated deployments whether cloud or self-hosted. - Source-Available: Full transparency with readable, modifiable code. - Built-in Analytics: Tracks inference costs, team productivity, and performance metrics. - Multi-Repo Support: Compatible with GitHub, GitLab, Azure DevOps, Gitea, and Bitbucket. Roomote offers two deployment options: Cloud Hosting: - Live deployment in 2 minutes - Isolated sandboxes managed by Roomote - Free 7-day trial available - Pricing starts at $49/month for up to 10 users Self-Hosting: - Docker-based deployment on your infrastructure - Full control over data and hosting - No license required for teams under 10 users - Up and running in 10 minutes Both options maintain single-tenant isolation and model flexibility.

Open-source spec-driven AI development platform

OmoiOS preview

OmoiOS transforms plain-English feature specifications into autonomous agent pipelines that execute overnight, delivering tested pull requests ready for review. Built for developers who want AI to handle the heavy lifting while maintaining full control and traceability. - Spec-to-Code Pipeline: Convert plain-English specs into requirements, design, and implementation plans with full traceability - Autonomous Overnight Execution: Agents work while you sleep, executing isolated sandboxes with dependency-aware sequencing - Self-Healing Execution: Automatic test failure detection, diagnosis, and retry without manual intervention - Full Lineage Tracking: Every code change links back to its originating requirement for transparent review - Multi-Agent Orchestration: Parallel agent execution with dependency management for scalable throughput - Model Agnostic: Bring Your Own Key (BYOK) support for Anthropic, OpenAI, and other providers - Self-Hostable: Deploy on your infrastructure with full control over data and execution - GitHub Integration: Seamless integration with GitHub repositories for PR generation and review - Spec Contract Enforcement: Requirements, constraints, and acceptance criteria enforced at every step OmoiOS is open-source (Apache 2.0 licensed) and designed for self-hosting. The platform runs as a cloud service for autonomous execution but can be deployed on your own infrastructure. Supports Docker-based deployment with configuration for model providers, repositories, and execution environments. Documentation includes setup guides, configuration examples, and API references for integration with existing development workflows. Tech Stack: Python, FastAPI, Docker, GitHub API Self-Hosting Requirements: Docker, GitHub account, Anthropic/OpenAI API keys (optional for BYOK), PostgreSQL database

AI-powered developer platform for code hosting and collaboration

GitHub preview

GitHub is the leading platform for software development, offering version control, project management, and collaboration tools. Built for developers, teams, and enterprises, it combines Git hosting with AI-powered features like GitHub Copilot for code generation and advanced security tools to streamline development workflows. - AI-Powered Development: GitHub Copilot for AI-assisted code writing and refactoring - Code Hosting & Version Control: Git repository management with pull requests and branching - Automated Workflows: GitHub Actions for CI/CD and workflow automation - Code Security: Advanced Security features for vulnerability detection and secret protection - Dev Environments: Codespaces for instant cloud-based development environments - Project Management: Issues, project boards, and tracking for agile workflows - Collaboration Tools: Team-based code reviews, discussions, and documentation - Enterprise Solutions: Scalable platform with premium support and security features GitHub is a cloud-based platform with no self-hosting option. It provides enterprise-grade security, compliance certifications (including SOC 2, ISO 27001), and GDPR compliance. The platform is built and maintained by GitHub, Inc. (a Microsoft subsidiary) with data centers globally.

55,072

Open source blog & newsletter platform

Ghost preview

Ghost is a powerful, open-source platform designed for professional publishers to create, share, and monetize content. It combines a modern website builder, a distraction-free editor, and native email newsletter functionality with built-in membership and subscription management. - Modern Publishing: Clean, intuitive editor optimized for storytelling with rich media support (images, video, audio, galleries, dynamic cards). - Built-in Newsletters: Send email newsletters directly from your site with audience segmentation and scheduling. - Memberships & Subscriptions: Monetize content with free or paid membership tiers, including monthly/yearly billing. - Custom Design: Full control over branding with hundreds of themes or custom theme development. - SEO & Performance: Built-in SEO tools, fast loading speeds, and mobile-first design. - Integrations: Connect with thousands of apps via native integrations and APIs. - Analytics: Track audience growth, engagement, and revenue with detailed analytics. - Self-Hosting: Deploy on your own infrastructure or use Ghost's managed hosting. Ghost is built with Node.js and uses a modern stack including Ember.js for the admin panel. It can be self-hosted on any VPS or cloud provider with Node.js and MySQL/PostgreSQL support. Ghost also offers a managed hosting service for those who prefer a turnkey solution. The platform is GDPR compliant and prioritizes data privacy.

About Jules

Jules is an autonomous coding agent designed to streamline your development workflow by automating mundane coding tasks. Whether you need bug fixes, version updates, test creation, or feature implementation, Jules handles it all while you concentrate on the code that truly matters.

Key Features of Jules

  • Autonomous Task Execution: Automates repetitive coding tasks like bug fixes, version bumps, and test creation.
  • GitHub Integration: Imports repositories, branches changes, and creates pull requests directly in GitHub.
  • Test Suite Management: Runs existing tests or generates new ones to ensure code reliability.
  • Cloud VM Verification: Clones your code into a secure cloud environment to verify changes work as intended.
  • Multi-Model Support: Powered by advanced models like Gemini 3 Pro for high-quality code generation.
  • Flexible Workflows: Available via CLI or API, allowing custom integration into your development pipeline.
  • Scalable Plans: Choose from multiple plans tailored to individual developers, teams, or large-scale operations.

Tech / Self-Hosting

Jules operates as a cloud-based service with no self-hosting option currently available. It integrates seamlessly with GitHub and provides a CLI for local interaction. The service is built on Google Cloud infrastructure and leverages advanced AI models for code generation and task automation.