Open-source alternatives to PathFinding.js

CKEditor 4 is a browser-based WYSIWYG rich text editor that enables users to create and format HTML content directly in the browser. It operates on a plugin-based architecture with a configurable toolbar system, DOM-based content editing, and an event-driven lifecycle, all delivered through a CDN-based distribution model. The editor supports skin-based theming and includes a legacy plugin compatibility layer for backward compatibility. The editor distinguishes itself as a cross-platform framework that integrates natively with Angular, React, Vue, Electron, Android, and iOS environments. It of

ImagePy is a Python-based framework designed for scientific image analysis and processing. It provides a modular environment where users can perform complex tasks such as image segmentation, morphological operations, and volumetric reconstruction on multidimensional data. The platform distinguishes itself through a plugin-based architecture that decouples processing logic from the host environment. It utilizes reflection to automatically generate user interfaces from plugin attributes, allowing for the integration of custom tools without modifying core source code. Users can record sequences

GLPI is an open-source IT asset management platform and helpdesk ticketing system. It provides a centralized engine for handling incidents and service requests with structured workflows, SLA tracking, and service catalog integration, while also managing the full lifecycle of IT assets including hardware, software, and inventory tracking. The platform distinguishes itself through agentless network discovery that scans networks and collects inventory data from devices without requiring installed agents, and a plugin-based modular architecture that extends core functionality through a community-

Jenkins is a CI/CD automation server and build automation tool used to orchestrate software build, test, and deployment pipelines. It functions as a pipeline orchestration engine and continuous delivery platform that manages the movement of software from source control to production environments. The project is built as a plugin-based automation framework, utilizing an extensibility model that integrates third-party tools and custom scripts to expand its capabilities. This architecture allows for the integration of specialized automation workflows and custom tool support through a plugin syst

LiteMonitor is a customizable desktop system dashboard and hardware performance monitor. It provides a visual overlay for tracking real-time CPU, GPU, memory, and network metrics, including temperature and power consumption. The application is an extensible system monitor that uses a modular plugin system to integrate third-party data sources, such as weather, stocks, and cryptocurrency, alongside core hardware telemetry. The tool includes a theme engine for adjusting colors, fonts, and layout, as well as window management controls for transparency and click-through behavior. It supports sys

Packer is a machine image builder and multi-platform image orchestrator used to create identical virtual machine images for multiple platforms from a single source configuration. It functions as an infrastructure as code tool, utilizing the HashiCorp Configuration Language to define versioned and reproducible templates for cloud image provisioners. The tool is distinguished by its plugin-based extension model, which allows it to load external binaries for builders and provisioners to support various cloud platforms and virtualization environments. It includes a post-processor pipeline to tran

Domoticz is a home automation platform and multi-protocol IoT orchestrator designed for controlling smart home devices and automating routines. It functions as an event-driven automation engine and a centralized system for managing connected sensors and hardware across Linux, Windows, and Raspberry Pi. The system acts as a Zigbee and Z-Wave controller and an MQTT IoT gateway, bridging disparate hardware ecosystems through a flexible plugin system. This allows for the unification of various communication standards into a single management interface. The platform covers broad capabilities incl

Lexical is a modular rich text editor framework used to build extensible web-based editors. It functions as a state-driven content editor that maintains a serializable, immutable snapshot of document content to ensure predictable updates and accessibility compliance. The framework is distinguished by its plugin-based architecture and customizable node framework, which allow developers to extend editor behavior through specialized content nodes and encapsulated runtime logic. It also includes a collaborative editing engine capable of synchronizing document state across multiple clients in real

Guard is a command-line file watcher that monitors the filesystem from the terminal and automatically executes user-defined tasks when files are modified, added, or deleted. It functions as a file change watcher and test runner that triggers test suite execution immediately when source or spec files are saved, providing instant feedback during development. The tool is configured through a Ruby-based domain-specific language in a Guardfile, and it can send visual desktop notifications when watched file actions complete or fail. The project distinguishes itself through a plugin-based extension

PlotJuggler is an interactive time series visualization tool that loads, streams, and renders large datasets using hardware-accelerated OpenGL graphics. It functions as a multi-format data loader, supporting file formats such as CSV, ULog, and ROS bags, and also serves as a live data stream viewer that subscribes to real-time sources via MQTT, WebSockets, ZeroMQ, and UDP. The tool distinguishes itself through a plugin-based extensibility platform that allows users to add custom data sources, file formats, and processing capabilities. It includes a Lua scripting engine for creating custom data

Gephi is an open-source desktop application for visualizing and analyzing large-scale network graphs. It provides an interactive platform for exploring complex relational data, combining hardware-accelerated rendering with real-time layout controls and a plugin-based modular architecture. The platform distinguishes itself through its ability to handle networks of up to 100,000 nodes and 1,000,000 edges using a custom OpenGL rendering engine, enabling smooth real-time interaction. It includes a force-directed layout engine with real-time adjustment, a dynamic filter pipeline for selecting node

Baritone is a pathfinding library and automation bot for Minecraft. It provides a programmatic navigation engine that implements A* pathfinding to calculate and execute movement paths for characters within three-dimensional block-based environments. The system distinguishes itself through a navigation API that allows external clients to embed movement logic and waypoint management. It features a command-based configuration interface for modifying settings via chat and employs memory-mapped environment caching to accelerate the retrieval of long-distance routes. Its capabilities cover a wide

Countly is a self-hosted product analytics and engagement platform that tracks user behavior across mobile, web, and desktop applications. It collects and analyzes device properties, user actions, and session lifecycle data to understand engagement patterns, while also providing crash reporting, push notification delivery, and A/B testing capabilities. The platform is designed for privacy-first deployment, with built-in consent management and the ability to run entirely on private infrastructure. The platform distinguishes itself through its comprehensive feature set that combines analytics w

This project is a comprehensive library and framework for autonomous mobile robot navigation, providing a suite of geometric, heuristic, and optimization-based algorithms. It enables robots to calculate collision-free global paths and generate smooth, kinematically feasible local trajectories within complex environments. The system is built on a modular plugin architecture that allows developers to integrate and configure custom motion planning algorithms directly into the Robot Operating System. By utilizing a layered spatial representation, the framework aggregates heterogeneous sensor data

Walker is a centralized search interface and application launcher designed to find and start installed software, system tools, and local files. It functions as a single entry point for executing desktop applications, running shell commands, and managing system scripts. The project uses a provider-based plugin architecture to extend its capabilities via independent modules. It allows for deep visual and behavioral customization through CSS styling, XML-defined layout templates, and layered configuration overrides. The system includes integrated productivity tooling for mathematical calculatio

This project is a Python collection of algorithms and data structures that implement the concepts from the Artificial Intelligence: A Modern Approach textbook. It serves as an educational resource for learning core artificial intelligence concepts through the implementation of classic algorithms for searching, logic, and problem solving. The repository functions as an automated reasoning toolset for managing knowledge bases, a game theory engine for calculating optimal moves in competitive games, and a search and optimization library. It provides specialized frameworks for deriving logical co

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

Xboard is a containerized service orchestrator and management platform. It provides a Docker-based administrative dashboard for monitoring and controlling backend system services and configurations through a unified interface for operators and users. The platform utilizes a modular architecture and a dedicated plugin system, allowing for the registration of custom logic and the extension of core administrative functionality. It includes utilities for legacy data migration to transfer records and configurations from previous versions or alternative implementations into the current system sche

Cerebro is a cross-platform productivity tool and keyboard-driven command palette. It serves as a central search interface and desktop application launcher for finding and initiating the execution of local files, installed software, and web services. The application is an extensible search tool that supports a plugin system, allowing third-party modules to register custom search providers and new functional capabilities. The software covers several capability areas, including local file system navigation and preview, integrated web search, and productivity utilities for natural language mat

OpenClawChineseTranslation is a framework for building conversational assistants that functions as a cross-platform chat gateway. It synchronizes conversational data between multiple external messaging applications and a centralized core, allowing users to interact with an assistant across different platforms. The system utilizes a plugin-based extension architecture to integrate external services such as note-taking and password managers. It features a model-agnostic provider interface, which enables the underlying intelligence to be swapped by selecting different large language model provid

Chunjun is a distributed data integration framework and SQL-based ETL pipeline designed to synchronize data between heterogeneous sources. It functions as a change data capture tool and a heterogeneous data synchronizer, utilizing a distributed processing environment to move and transform data across different database types. The system is distinguished by its plugin-based connector architecture, which allows for the development of custom source and sink plugins to extend connectivity to unsupported data systems. It supports real-time change data capture from relational database logs and impl

Checkstyle is a Java static analysis tool and linter designed to identify and enforce coding standards and best practices. It functions as a code quality auditor and Javadoc validation tool, checking source code against configurable rulesets to ensure structural and stylistic consistency. The project allows for the creation of custom linting rules by extending a core API to inspect the abstract syntax tree. It further enables specialized validation through the use of XPath expressions to query the syntax tree for specific code patterns and violations. Capability areas include the enforcement

BTCPay Server is a non-custodial payment gateway and invoice manager designed for accepting Bitcoin and other cryptocurrencies directly into a private wallet. It serves as a self-hosted payment infrastructure that allows merchants to manage digital invoicing and storefronts without relying on third-party intermediaries. The system distinguishes itself through a non-custodial wallet architecture that ensures private keys remain on the user's own hardware or server. It integrates the Lightning Network for instant, low-cost transactions and provides a hardware-wallet signing bridge to secure tra

Converse.js is an embeddable, self-hosted XMPP chat client that runs entirely in the browser. It communicates with XMPP servers using standard XML stanzas over WebSocket or BOSH transports, and provides end-to-end encryption through the OMEMO protocol with double ratchet algorithm and X3DH key exchange. The client is built on a plugin-based architecture that allows extending core functionality at runtime without modifying the client itself, and uses a DOM-based rendering approach with an event-driven message bus for internal coordination. The client manages message history through XEP-0313 Me

Cloud Custodian is an open-source rules engine that uses declarative YAML policies to query, filter, and take automated actions on cloud resources for governance and compliance. It functions as a stateless policy execution engine, where each policy evaluation runs as an independent, idempotent operation without maintaining internal state between runs. Policies are defined using a YAML-based domain-specific language that structures rules as a query-filter-action pipeline. The engine supports dry-run validation, allowing users to simulate policy actions against live resources without applying c

InkyPi is a digital signage management system designed to schedule and display rotating content and dynamic data across network-connected screens. It functions as a networked display controller and external data integration engine, allowing for the fetching and rendering of third-party plugins, calendars, and news feeds. The system includes a hardware display driver manager that installs and configures model-specific drivers for various electronic paper display controllers. It utilizes a web-based interface for remote configuration, enabling the management of display settings and content upda

Luckysheet upgraded to Univer