OpenFlowKit
A free and open-source chart tool for developers, supporting AI and Mermaid.js, and can be exported to Figma.
Why it is listed as free
Matched free signals: completely free
This is a text-signal filter, not a pricing promise. Free limits, trial length and feature scope are set by the official site and can change at any time.
About the tool (excerpt from the public listing)
OpenFlowKit is a free and open-source chart tool designed specifically for developers. Its core advantage lies in providing powerful and flexible chart drawing functions, allowing users to create beautiful charts without complex operations. It supports multiple workflows to adapt to the usage habits of different users. The product adopts a local-first strategy to ensure the security of user data, eliminating concerns about data being tracked or synchronized to third-party servers. It is completely free and uses the MIT license, allowing users to freely use, modify, and distribute it. This product is committed to breaking the limitations of traditional chart tools and providing users with an infinitely customizable chart drawing environment.
The description above comes from the public directory listing and is not independently verified; check the official site for accuracy.