Open-source alternatives to Bpmn Js

jsplumb is a JavaScript diagramming library and visual connectivity engine used to draw draggable connections between HTML elements. It functions as an SVG connector framework that renders dynamic links to create visual connectivity maps and flowcharts. The library provides tools for building node-based user interfaces, interactive workflow mapping, and visual diagramming. It enables the creation of dynamic relationship visualizations where users can link steps or pieces of information together on a web page.

This project is a renderer and theme engine for Mermaid.js that converts diagram syntax into styled SVG graphics and ASCII text. It provides a type-safe diagram editor and a pipeline for transforming diagram source code into scalable vector graphics or plain text visuals. The system features a dedicated theme engine that maps editor colors and CSS variables to diagram elements. It enables dynamic diagram theming through CSS custom properties for real-time color updates and supports index-based styling to override the appearance of specific nodes and edges. The tool covers a range of visualiz

Zeebe is a cloud-native workflow engine and distributed state machine designed for business process orchestration using BPMN and DMN standards. It operates as a high-performance gRPC workflow runtime that executes complex business processes through a partitioned event-streaming architecture. The system also functions as an orchestrator for large language model agents, coordinating AI reasoning and tool use within deterministic business processes. The engine is distinguished by its peer-to-peer broker networking and a consensus-based data replication model that ensures high availability and fa

mxgraph is a client-side graph visualization tool and JavaScript diagramming library. It functions as an SVG-based drawing framework used to create and render interactive diagrams directly within a web browser. The library enables the development of custom diagramming tools, such as network maps and flowcharts, by providing the means to draw and manipulate visual data structures. It focuses on client-side data visualization, allowing for the representation of complex node and edge relationships without requiring server-side rendering.

This project is a Node.js library for bidirectional conversion between XML strings and JavaScript objects. It functions as an XML parser that transforms XML content into structured data and an XML serializer that generates formatted strings from JavaScript data objects. The toolkit includes a data transformer that applies custom processing functions to tags and attributes during the conversion process. It manages XML namespaces and supports the definition of custom root elements to maintain document structure during generation. The system handles XML data parsing, string generation, and name

xmltodict is a Python library that provides bidirectional serialization between XML documents and dictionaries. It functions as a parser that converts marked-up input into key-value pairs and a serialization utility that transforms dictionaries back into structured XML documents. The project includes an incremental stream processor that uses depth-based callbacks to handle large XML files while maintaining constant memory usage. It features a namespace manager for mapping prefixes and declarations, as well as a security sanitizer that blocks external entity expansion and validates element nam

Camunda is a business process automation platform and orchestration tool used to model, deploy, and monitor automated workflows and human-centric tasks. It features a BPMN workflow engine for executing processes based on the BPMN 2.0 standard and a DMN decision engine for automating business logic and rule evaluation. The platform is designed for flexibility through an embedded workflow library that allows the engine to be integrated directly into custom applications. It supports multi-tenant workflow management, enabling the secure separation of process definitions and instance data for mult

Evilcharts is a data visualization library and animated charting framework designed to render interactive data graphics. It functions as a responsive data graphics engine that transforms raw data sets into visual formats such as bars, lines, and pies. The project focuses on interactive data visualization by incorporating motion triggers and visual transitions. It provides tools for custom chart styling to align visual effects and colors with specific brand guidelines and design requirements. The engine manages responsive data dashboards through automatic layout scaling to maintain consistenc

docx is a JavaScript and TypeScript library for the programmatic generation and manipulation of Word documents. It serves as an OOXML document generator, allowing developers to create formatted office files through code instead of manual editing. The library enables document automation across both Node.js and web browser environments. It supports client-side document export, allowing users to generate and download files directly in the browser without a backend server. Capabilities include the ability to define page layouts, margins, and orientation. Users can programmatically insert documen

X6 is a JavaScript diagramming library and SVG graph rendering engine used to build interactive flowcharts, mind maps, and visual workflow editors. It provides a framework for defining customizable node and edge behaviors, utilizing a hybrid rendering approach that combines SVG and HTML. The library decouples the visual graph representation from underlying business logic and data structures through a dedicated state management system. It allows for extensive extensibility via a registration mechanism for custom nodes, edges, and canvas tools. The toolkit includes capabilities for automatic g

Kroki is a text-to-diagram rendering API and diagram-as-code server that transforms plain text definitions from various modeling languages into SVG or PNG images. It functions as a multi-language diagram renderer, providing a unified interface to generate flowcharts, UML diagrams, and charts using a collection of external libraries. The system utilizes a container-based plugin architecture and a sidecar rendering model to isolate external rendering engines. This design allows for the addition of new diagramming languages via companion containers and ensures stateless image generation where so

Vditor is a browser-based Markdown editor and rendering engine that supports multiple editing interfaces, including a visual rich-text experience, instant rendering, and a traditional side-by-side split-view preview. It serves as an authoring tool for technical documentation and a component for web-based editor integration. The project is distinguished by its support for complex technical content, utilizing specialized rendering for mathematical formulas, flowcharts, sequence diagrams, and mind maps. It also functions as a collaborative document review tool, enabling users to attach anchored

SpringSide 4 is an enterprise Java reference architecture and utility library built on the Spring Framework. It provides a pragmatic, best-practice application stack for building RESTful web services, web applications, and data access layers, along with a curated collection of high-performance utility classes for common operations like text, date, collection, reflection, concurrency, and I/O handling. The project distinguishes itself by combining a complete reference application scaffold with production-oriented infrastructure. It includes a JPA-based data access layer that automatically tran

Yoopta-Editor is a headless framework for building customizable block-based rich text editors. It utilizes a JSON-based document engine to manage editor state and provides a WYSIWYG interface for creating structured documents. The system separates core document logic from the visual layer, allowing for complete customization of the user interface. The framework is designed for real-time collaborative editing, featuring a synchronization engine with conflict resolution and remote cursor presence tracking. It offers a highly extensible plugin system that allows developers to define new content

Viewers is a zero-footprint DICOMweb medical imaging viewer and a modular plugin framework. It serves as a diagnostic interface for rendering 2D and 3D medical images, providing a web-based clinical workflow engine to automate image layouts and toolsets. The project distinguishes itself through a highly extensible architecture that allows for the development of custom clinical workflows, specialized viewing modes, and the integration of external functional extensions. It includes a dedicated command line interface for managing these plugins and supports white-labeling through a comprehensive

Tabulator is an interactive data table library and virtual DOM data grid used to create high-performance tables from JSON or arrays. It functions as a hierarchical data viewer and a spreadsheet interface component, capable of rendering thousands of records efficiently through viewport-based virtualization and progressive loading. The library distinguishes itself by providing a full spreadsheet interface mode with multi-sheet management, cell range selection, and bulk copy-paste capabilities. It supports complex data architectures, including nested data field mapping, expandable tree structure

Hyperapp is a functional JavaScript framework for building hypertext applications. It centers on a state management library and a virtual DOM system that creates in-memory interface representations to apply efficient updates to the browser screen via diffing. The framework avoids templates and JSX, instead utilizing function composition and dedicated tag wrappers to generate HTML structures and SVG elements. It implements a unidirectional data flow where a central state object is managed through transformation functions. The system covers declarative UI rendering and functional web interfaci

This project is a client-side data visualization framework and SVG charting library used to render responsive, interactive charts in a web browser. It functions as a lightweight utility for generating scalable vector graphics and data annotations without external dependencies. The library enables the creation of custom SVG charts with adjustable colors and animations to meet specific design requirements. It supports dynamic data updates and the addition of markers, regions, and tooltips to provide context to specific data points. The system covers broad capability areas including responsive

Britecharts is an SVG data visualization toolkit and D3.js charting library. It functions as a composable visualization framework and interactive charting interface used to render data-driven graphics. The library provides a variety of chart types, including line, bar, scatter, donut, sparkline, step, and bullet charts, as well as stacked area and grouped bar charts. It supports interactive elements such as brush interfaces for zooming into date ranges and informational tooltips for data overlays. The framework includes capabilities for visual configuration, such as axis scaling, color schem

Android-Iconics is an icon library wrapper for Android applications that enables the use of icon fonts and SVG vectors as drawables. It provides a system for rendering vector graphics and importing custom icon sets through font files and CSS mappings. The project includes a dedicated SVG vector renderer and a tool for integrating custom icon fonts. It also features a mirroring utility that automatically flips icons for right-to-left language layouts to maintain visual consistency across different locales. The library covers icon style customization for properties such as color, size, and pad

Highcharts is a JavaScript charting library and interactive data visualization framework used to render complex datasets as visual charts and maps. It functions as a customizable SVG charting engine that produces scalable vector graphics for data series. The library allows for the creation of interactive data visualizations with configurable colors, labels, and themes. It also provides a cross-platform visualization wrapper to embed these web-based charts into native iOS and Android mobile applications. The toolkit supports the development of custom dashboards and provides options to build c

Ionicons is a library of hand-crafted scalable vector icons and an interface design asset pack used to build consistent user interfaces across web and mobile applications. It provides a collection of vector graphics designed for design system implementation and web component icon systems. The library includes a cross-platform icon set that automatically adapts its style based on the user's operating system to maintain a native look and feel. It also supports the integration of custom SVG assets through remote URL resolution to extend the available set of visuals. The system covers SVG asset

wifi-card is a utility for creating printable network credential cards and QR codes to facilitate guest wireless network access. It functions as a generator that produces physical or digital cards containing network names and passwords, automating the process of joining a WiFi network through scannable image formats. The tool operates using a pure-client runtime model, processing all user input and generating the final document entirely within the browser. It employs SVG-based layout rendering and a CSS grid template system to ensure high-resolution, crisp lines across different paper sizes.

Clip is a command-line data visualization tool designed to generate image-based charts and diagrams from text descriptions. It functions as a chart generator that converts written data and descriptive patterns into visual formats without the use of a graphical user interface. The tool specializes in producing scalable vector graphics, translating text-to-chart transformations into XML-based vector paths. This approach allows for the automated creation of technical illustrations and diagrams specifically suited for developer documentation. The system employs a template-driven layout engine to

Font-Awesome is a CSS icon framework and SVG icon library that provides a standardized set of vector assets for digital user interfaces. It functions as a vector icon set and web font icon kit, delivering iconography through both scalable vector graphics and web fonts to ensure consistency across different screen densities and platforms. The project provides a multi-format distribution model, allowing assets to be rendered via SVG-based vector embedding or unicode-based glyph rendering. Visual styles, sizes, and positions are managed through a class-driven asset selection system and CSS-varia

d3-cloud is a JavaScript library for creating non-overlapping word cloud layouts using the D3.js data visualization framework. It serves as a text visualization tool that converts raw text or CSV data into scalable vector graphics and stylized typographic clouds. The library utilizes a spiral-based collision layout algorithm to compute coordinates and rotations, ensuring that words within a visual cluster do not overlap. It maps word frequency to font size and supports a customized layout process where positions are calculated based on text distribution. The system covers data processing for

KityMinder is a web-based mind map editor that runs entirely in the browser, letting users create and edit hierarchical diagrams without installing any software. It automatically syncs mind maps to the cloud, keeping them accessible across devices and sessions. From the same interface, users can generate a public link that allows others to view the mind map immediately in their own browser. The editor provides a desktop-like interactive experience with drag-and-drop node manipulation, inline text editing, and an undo/redo history that tracks each action. All changes are persisted remotely, en