Is Juggler free and open source?

Yes, Juggler is completely free and open source (AGPLv3 licensed core) with no signup required.

What LLM providers does Juggler support?

Juggler supports Claude Code (CLI or API), OpenAI, GitHub Copilot, Gemini, Mistral, Ollama, OpenRouter, DeepSeek, and more using your own API keys or existing subscriptions.

How do tree-based sessions work in Juggler?

Instead of a single chat transcript, Juggler structures conversations as a Yjs CRDT tree. Any point can branch into recursive sub-threads that you can navigate, backtrack, edit, or summarize.

Can I use Juggler remotely?

Yes, Juggler operates via a headless Go backend server that allows multiple native apps or browser tabs on other devices to connect to the live session.

How can Juggler be extended?

Almost everything in Juggler—including tool calls, context items, slash commands, and orchestration strategies—is a JavaScript plugin that can be inspected, forked, or replaced.

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Scheduled launch — Sep 15, 2026

Juggler is listed on AI Kaptan and will enter the daily launch competition on that day. Community upvotes open on launch day.

Developer Tools

Free

Juggler

Juggler is an open-source desktop visual harness for AI coding agents with branching Yjs trees, inspectable tool calls, and JavaScript plugins.

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Rating

Reviews

Upvotes

about 1 hour ago

Listed

Open Source

Developer Tools

Artificial Intelligence

AI Coding Agents

AI Code Editors

GUI

Code Assistant

Tool information

Provider

Juggler AI

Platforms

macOS

Windows

Linux

Web

Languages

JavaScript

Added to directory

about 1 hour ago

Last updated

about 1 hour ago

Rating

Not available

Pricing

Free

About Juggler

What the tool does and who it's for

Juggler is an open-source visual AI coding workbench and desktop harness designed for developers who want granular, hands-on control over LLM interactions with their codebase. Built as a Go backend with a Wails desktop UI, Juggler replaces linear terminal chat logs with persistent, tree-structured Yjs CRDT documents. Conversations branch recursively into sub-threads, allowing users to drill down, edit raw context, and inspect tool calls via Finder-style Miller columns. Everything in Juggler—from context items and LLM loop strategies to slash commands—is powered by JavaScript plugins. It operates locally or headless with multi-client remote support, allowing native desktop apps, browser tabs, and multiple devices to connect seamlessly.

Key capabilities

Visual Workbench with Finder-Style Miller Columns: Navigate tool calls, approvals, thread structure, and raw context laid out in clean columns.

Tree-Based Session Structure: Uses Yjs CRDT documents to allow recursive branching into sub-threads rather than linear transcripts.

Inspectable & Editable Context: Review system prompts, inspect past turn tokens, and edit context parameters.

JavaScript Plugin System: Extend or replace tool calls, context items, slash commands, and LLM loop strategies via JS plugins.

Persistent & Stateful Sessions: Disk-backed document state preserves progress, including pending tool approvals, across application restarts.

Multi-Client Architecture: Local webserver core enables simultaneous P2P attachments from native desktop apps, browser tabs, or remote devices.

Broad LLM Model Support: Integrates with Claude Code, OpenAI, GitHub Copilot, Gemini, Mistral, Ollama, OpenRouter, and DeepSeek via API keys or existing subscriptions.

Headless Server Mode: Single Go binary can run headlessly on a remote machine while accessed visually via a browser or desktop client.

Pricing

Free — plans below

Free / Open Source

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