Products/Developer Tools / Visual Editor / AI Agent Workspace/Nimbalyst

Nimbalyst

Visual Editor for Claude Code & Codex (Open Source)

Developer Tools / Visual Editor / AI Agent Workspacevisual-editoraideveloper-toolsopen-sourceReviewed

Our Take

Nimbalyst is the kind of tool that makes you wonder why nobody built it sooner — a visual workspace that plugs into Claude Code and Codex so you can actually see your markdown, CSVs, diagrams, and code before anything gets committed, with full diff review built in. That's genuinely useful for devs who want more visual feedback loops without abandoning the terminal. The diff-before-apply feature alone is worth paying attention to — it's the kind of thoughtful UX detail that separates a real product from a weekend prototype. Low-key a sleeper hit for anyone building with AI coding tools.

The open-source visual workspace for building with Codex, Claude Code, and more. Manage your agents, sessions, tasks, and files. Visually edit markdown, mockups, diagrams, diffs, and code.

Key Features

Visual File Editing for markdown, CSV, mockups, code, Excalidraw diagrams, data models, and Mermaid diagrams, Agent-powered visual editors with full project context, Side-by-side AI assistance without context switching, Review and approve AI edits before they land in files, Spreadsheet-style CSV editing with AI-powered data transforms, Visual UI planning and wireframe design, AI code generation, refactoring, and debugging, Full-project awareness during code editing, Architecture and system mapping with visual diagrams, Real-time collaboration on diagrams, Visual database schema design with Prisma export, Session management with agent window and Kanban board, Task management integrated with workspace, Extension platform for custom editors, Mobile app for iPhone

Problem It Solves

Managing AI coding agents efficiently with visual interfaces instead of terminal output, providing high-bandwidth visual collaboration between humans and AI agents for editing markdown, code, mockups, diagrams, and data.

Target Customer

Builders and developers working with Claude Code, Codex, and similar AI coding agents

Use Cases

Building with Codex and Claude Code, Visual markdown editing with AI assistance, Data visualization and spreadsheet editing, UI/UX mockup design and code generation, Database schema design, System architecture diagramming, Agent session management, Task tracking and project management

Differentiator

Open-source visual workspace that provides high-bandwidth visual interfaces for working with AI coding agents, including visual editing for markdown, mockups, diagrams, diffs, and code with full project context

Why Now

The shift from writing code to managing multiple AI agents requires visual workspace tools designed for directing and reviewing agent work

Traction

Customers Mentioned: Automattic, Redfin, Vanta, Gainsight, Zillow, UKG, SAP, Yahoo, Delivery Hero, Noom · Notable Metrics: Previous company (Evergage) grew to more than $250M in ARR by 2023 before Salesforce acquisition

Key Facts

The people behind Nimbalyst

Greg Hinkle

profile

CTO & Co-founder

Technical founder with 20+ years designing high-performance real-time systems, ML, and AI products. Previously Founder and CTO of Evergage, where he architected the real-time decisioning engine. After acquisition, served as VP of Engineering for Salesforce Personalization. Leadership roles at Red Hat, JBoss, and Sapient. Degree in computer engineering from University of Pennsylvania.

Karl Wirth

profile

Founder

Product, engineering, and go-to-market executive. Previously Founder and CEO of Evergage (acquired by Salesforce in 2020), where he served as SVP of Personalization. Most recently CPO and SVP of Engineering at Treasure Data. Leadership roles at RSA Security and Red Hat. Degrees from Harvard in Physics.

Links

Website Twitter/X LinkedIn GitHub

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