OpenFlowKit
Open-source diagramming studio for builders to draw, write as code, or hand to agents.
Recommended for
- Solo / Indie
- Pre-Seed
SSIE
Stage Fit Recommendations
Following data shows why OpenFlowKit is recommended for listed teams. The Fit Score represents the percentage fit of OpenFlowKit to each company stages, as calculated by the SSIE.
Stage
Fit Score
Fit Reasons
Solo / Indie
$0–$2,000 MRR
91- Open-source diagramming with text as source of truth
- Free no account required open source
- Free Open Source plan covers a solo founder at no cost
Pre-Seed
$0–$10k MRR
90- Start in browser or one Docker command
- Mermaid D2 Structurizr import and GitHub repo map
- 29 MCP tools for agent-native diagramming
- Free Open Source plan covers about 2 users at no cost
Description
OpenFlowKit is an open-source diagramming studio for software developers and architects. It allows users to create architecture diagrams by drawing, writing as code, or using AI agents. The tool supports GitHub repository integration to generate system maps. OpenFlowKit is free, open-source, and local-first, with no sign-up required. It features AI agent integration for intelligent diagramming and supports multiple code editors. The product is designed to be agent-native and developer-friendly.
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