Projects sharing features with Blockly

cal-heatmap is a JavaScript visualization library used to render time-series data as a grid of colored cells. It functions as a customizable calendar component that maps data density and frequency over temporal intervals ranging from minutes to years. The library provides built-in support for localized temporal displays, allowing for the adjustment of regional date formats, timezones, and locale-specific week starts. It utilizes a plugin system for both the calendar layout and heatmap charts to extend behaviors and visual styles. The system manages data visualization through SVG-based grid r

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

Video.js is a customizable HTML5 video player framework and JavaScript media plugin system. It provides a foundation for rendering and controlling web video playback across different devices and screen sizes, supporting both standard HTML5 integration and adaptive bitrate streaming for live or on-demand content. The project is distinguished by a modular architecture that allows for the extension of playback functionality through a class-based plugin system and middleware-based method interception. This enables the development of tailored media interfaces and the integration of specialized beh

drawio is a web-based diagramming tool and cross-platform visual designer used for creating flowcharts, network maps, and technical schemas. It functions as a vector graphics editor and an XML-based diagramming engine that allows users to design and export scalable graphics. The software supports a wide range of technical design tasks, including infrastructure mapping for server layouts and the creation of visual aids for technical documentation. It enables the import of diagram files from other tools to facilitate cross-tool migration.

Fritzing is electronic circuit design software used for documenting hardware builds. It functions as a hardware documentation tool and a printed circuit board layout tool, allowing users to create visual representations of circuits through breadboard, schematic, and board views. The software includes a dedicated electronic component modeler for creating digital representations and custom parts for component libraries. It supports a full manufacturing workflow, enabling the translation of digital circuit sketches into professional board orders through integrated production services. The appli

This project is a cross-platform desktop application designed for creating, editing, and managing structured diagrams and technical workflows. It provides a visual modeling environment that allows users to construct complex charts through a drag-and-drop interface, supporting the documentation of processes, software architectures, and system flows. The application distinguishes itself by utilizing a layered canvas composition that enables independent manipulation of diagram components, paired with a keyboard-driven workflow that minimizes mouse reliance. It employs scalable vector graphics fo

This platform is a low-code database system that combines the flexibility of a spreadsheet interface with the structured power of a relational database. It serves as a collaborative workspace for managing complex datasets, building custom business applications, and automating operational workflows without requiring traditional software development. The platform distinguishes itself through deep integration of artificial intelligence, which enables users to query databases using natural language, generate content, and deploy custom conversational agents trained on internal data. It supports re

JavaPoet is a source code generator and metaprogramming utility for the Java language. It functions as an abstract syntax tree construction library that allows developers to model classes, methods, and fields as objects before emitting them as source code. The library distinguishes itself through automatic import management and code formatting. It tracks referenced types to generate required import statements and handles line wrapping, semicolon placement, and indentation to ensure generated files remain readable. The tool covers a broad range of generation capabilities, including the defini

Warriorjs is a programming game framework and code-based logic puzzle where players write code to control characters and solve strategic combat challenges. It serves as an educational coding game designed to teach programming logic and algorithmic thinking through a series of combat scenarios. The project functions as an extensible game engine that allows the addition of new universes, levels, abilities, and units via independent package extensions. It also provides tools for custom level design, enabling the creation of challenges for other players to solve. The system manages game entity d

ToolJet is a low-code development platform designed for building and deploying internal business applications. It provides a visual interface where users can drag and drop components to design layouts, connect to various data sources, and execute custom logic. The platform is built on a containerized architecture, ensuring that applications remain portable and consistent across different cloud and server environments. The platform distinguishes itself through integrated artificial intelligence capabilities that assist in the generation of user interfaces, database schemas, and data queries fr

This project is a modular framework designed for building custom visual editors and low-code design environments. It provides a core engine that manages the lifecycle of web application projects, enabling developers to construct extensible design surfaces, component management systems, and property configuration panels. The platform distinguishes itself through a plugin-based architecture that allows for the injection of custom functionality and UI components at runtime. It utilizes a standardized protocol for component metadata, ensuring that materials remain interoperable across different d

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

KotlinPoet is a Java-based API for programmatically creating and formatting Kotlin source files. It serves as a source code generator and type system mapper, providing a framework to build Kotlin code structures through a type-safe model of language elements to automate the production of boilerplate. The project utilizes a fluent-builder pattern to incrementally construct language elements and maintains an internal object-model representation that separates logical structure from final text formatting. It handles the complexities of source emission through indentation-based formatting and key

This platform is a modular, metadata-driven framework designed for building custom business applications and data management systems without traditional coding. It functions as a low-code environment where data models, user interfaces, and business logic are defined through visual configurations rather than hardcoded views. The architecture supports multi-tenant isolation, allowing multiple independent applications to run within a single shared memory space while maintaining strict logical separation of data and configurations. What distinguishes this system is its deep integration of artific

bpmn-js is a browser-based BPMN 2.0 web modeler and rendering engine used for creating, editing, and visualizing business process models. It functions as an XML process modeler that parses BPMN 2.0 XML data into interactive visual diagrams within a web application. The project distinguishes itself as a business process visualizer with capabilities for process flow simulation, which tracks token movement to mimic real-time execution. It also supports diagram version comparison to identify changes between model iterations and provides a layered overlay interface for binding metadata and custom

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

luban-h5 is a low-code web framework and visual mobile page builder used to design interactive mobile web pages. It functions as a JSON-based page renderer that converts design configurations into live pages for end-user delivery and includes a visual form builder for creating interactive input fields and tracking submission statistics. The project features a PSD to HTML converter that parses Photoshop files into functional HTML pages to automate the design-to-code workflow. It distinguishes itself through a plugin-based system that allows for the development of custom UI components and speci

LogicFlow is an SVG-based flowchart editing framework and visual graph editor used for building customizable business process diagrams. It serves as a customizable diagramming engine for rendering business process models, entity relationship diagrams, and unified modeling language charts. The system is characterized by a plugin-based architecture that allows developers to define specialized graphical elements and register pluggable modules. A distinctive feature is its overlay system, which positions standard HTML components on top of the SVG canvas to create interactive menus and control pan

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

o2oa is an open-source Java enterprise office automation platform designed to manage corporate workflows, organizational hierarchies, and collaborative office tasks. It functions as a low-code business application platform and a corporate information portal, providing a visual development environment for building custom enterprise applications. The platform is distinguished by its integrated enterprise workflow engine, which allows for the design and automation of business processes using customizable routing conditions and event-driven scripts. It further differentiates itself as a multi-dat

Appsmith is a low-code platform designed for building internal business tools, such as operational dashboards and administrative panels. It enables developers to construct dynamic user interfaces by dragging and dropping modular widgets onto a canvas and binding them directly to backend data sources. The platform utilizes a reactive framework that automatically updates interface elements and triggers functions whenever underlying data or widget properties change, eliminating the need for manual event handling. The platform distinguishes itself through a server-side proxy architecture that exe

Enso is a visual dataflow programming environment and multi-language data processing engine that compiles Enso, Python, Java, and JavaScript into a unified representation with a shared memory model for zero-overhead inter-language calls. It functions as a self-service data preparation and analysis platform where users can build data pipelines by connecting nodes in a graph, switching between a no-code visual interface and a code view while keeping all changes reviewable. The platform also serves as a cloud data workflow scheduler and API exposer, allowing workflows to run on a timetable or be

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

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.

Superpowers is a browser-based game development engine and collaborative integrated development environment. It provides a unified workspace for building two-dimensional interactive experiences, allowing users to manage code, assets, and scene logic directly within a web browser without the need for local compilers or heavy desktop software. The platform distinguishes itself through a modular, component-based scripting architecture where game objects are defined by attached logic and visual properties. It supports real-time synchronization, enabling multiple developers to work on the same pro

Macaw is a Swift vector graphics library and animation framework used to create and render scalable geometric shapes and text. It functions as an SVG rendering engine and an interactive vector graphics toolkit for displaying complex artwork while maintaining image quality at any scale. The framework enables the animation of shape properties and node transformations, including the ability to morph one vector path into another. It allows for the integration of external SVG files and the application of linear and radial gradients to fills and strokes. The toolkit covers a range of capabilities

Recast is a JavaScript AST parser and printer designed for automated code refactoring. It converts source code into abstract syntax trees that can be modified and then printed back into source code. The project focuses on formatting-preserving transformations, storing original whitespace and indentation metadata within syntax tree nodes to reconstruct code without losing its original layout. It also generates character-level source maps to maintain precise correspondences between original input and transformed output. The toolkit includes utilities for syntax tree manipulation using a visito