Nimbalyst is a visual editor and workspace for building with Claude Code and Codex. It lets users run parallel AI agent sessions, review AI-generated diffs, and edit markdown, mockups, diagrams, data models, spreadsheets, and code in one interface. It includes session management on a kanban board, integrated task tracking, and a mobile companion app. It is free for individuals and open source under MIT license.
What it's for
run parallel Claude Code and Codex sessionsreview AI-generated file diffs before approvingedit markdown documents with AI assistancedesign UI mockups and wireframes with AIcreate architecture diagrams and drawings with Excalidrawdesign database schemas and data modelsgenerate Mermaid diagrams from natural languageedit CSV/spreadsheet data with AI transformsmanage and track tasks alongside agent workcode review and refactoringfeature and project planningbug analysis and testingtechnical documentation and knowledge base writingteam collaboration on shared docs and trackers
Features 18
- AI-assisted git commits and visual git management
- AI-powered data modeling / ERD editor with Prisma export
- Context graph linking plans, sessions, diffs, and files
- CSV/spreadsheet editor with AI-powered data transforms
- Excalidraw diagram editor with AI-generated elements
- Extension system (EditorHost) for building custom editors
- Git worktree support for isolated parallel sessions
- Integrated task and tracker management stored as markdown frontmatter
- Integrated terminal
- MCP server support for external tool integration
- Mermaid diagram generation and live rendering inside markdown
- Mobile iOS app for session and diff review on the go
- Mockup and wireframe editor with AI-to-code generation
- Monaco code editor with AI-assisted editing
- Parallel agent session management with kanban board
- Real-time collaborative editing (Teams, coming soon)
- Slash commands and skills for agents
- WYSIWYG markdown editor with AI-assisted red/green diff review
At a glance
free tieropen source
TypeDesktop app
DeploymentInstalled (local)
PlatformsmacOS, Windows, Linux, iOS
Fordevelopers, product managers, designers, teams
CompanyNimbalyst
Integrations
CodexSlackMermaidLM StudioOpenAIExcalidrawModel Context Protocol (MCP)PrismaGitHub CopilotAnthropicGitHubClaude CodeLinearOpenCode
Complianceself-reported
SOC 2 Type IISOC 2GDPRCCPA
Pricing
Individual plan is free with no feature limits or trial period. Teams plan pricing is TBD and will be announced; a waitlist offers early-adopter pricing.
IndividualFree
No credit card required
No feature limits, no trial period
TeamsQuote
Pricing not yet announced; join waitlist for early-adopter pricing
Team collaboration features coming soon
Similar apps
BatonRun coding agents in parallel — and stay in control.Price$6.58–$19/moTry freeFree planRuns onmacOS · Windows +1Features20
ConductorSelf-hostableRun parallel coding agents on your Mac.PriceFrom $50/moTry freeFree planRuns onmacOSFeatures16
MaestriAn orchestration canvas for AI agentsPriceNot statedTry freeFree planRuns onmacOSFeatures16
EmdashOpen sourceOpen-Source Agentic Development EnvironmentPriceFreeTry freeFree planRuns onmacOS · Windows +1Features16
Verdent AISelf-hostableAI-native coding partner for building softwarePrice$5–$179/moTry free7-day trialRuns onWeb · Windows +1Features16
OpenGUIOpen sourceThe Desktop Command CenterPriceNot statedTry free—Runs onWindows · macOS +1Features7