Open-source alternatives to Openstreetmap ID

mini-graph-card is a customizable dashboard card and sensor widget for Home Assistant designed to visualize historical telemetry and sensor data. It functions as a time-series data visualizer that renders historical numeric and binary sensor data as line or bar graphs using an SVG graphing component. The project differentiates itself through the ability to extract specific nested attributes from entities and map non-numeric states into numeric values for visualization. It supports dynamic visual styling via color thresholds, logarithmic scales, and filling effects, alongside a multi-axis coor

Project-graph is a visual workspace designed for managing complex information through node-based knowledge graphs. It provides a direct manipulation interface that allows users to organize data into logical networks, mapping non-linear thoughts and project workflows through interconnected nodes and bidirectional links. The system distinguishes itself through an event-sourced state management model that records every modification as a discrete action, enabling precise undo and redo capabilities. It incorporates a reactive layout engine that automatically calculates node spacing and connection

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

signature_pad is a JavaScript library and drawing tool for capturing handwritten digital signatures on an HTML5 canvas. It provides a handwriting capture interface that transforms raw mouse or touch inputs into smooth, professional-looking lines. The project uses Bézier curve interpolation to smooth jagged input points into fluid strokes. It supports the configuration of drawing aesthetics, including pen color, background color, and line width, and includes a history management system for undoing and restoring drawing actions. The library handles the serialization of signature data into poin

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

Java map matching library for integrating the map into software and services with state-of-the-art online and offline map matching that can be used stand-alone and in the cloud.

The OpenStreetMap editor driven by open data, AI, and supercharged features

A map representation based on 3D segments

Mapbox GL JS is a WebGL map rendering engine and interactive web map framework used to render vector tiles, raster imagery, and 3D terrain in the browser. It functions as a vector tile map library and geospatial data visualization tool, employing GPU-accelerated shaders to transform geospatial data into interactive maps. The project distinguishes itself through the integration of custom WebGL layers directly into the rendering pipeline and the use of data-driven expressions to map feature properties to visual attributes. It supports specialized data loading via PMTiles and provides offline ma

GDAL is an MIT-licensed open source translator library that provides a unified abstract data model for reading and writing geospatial raster and vector data across hundreds of file formats. It serves as a foundational geospatial data translation library, enabling access to diverse geospatial data formats through a single, consistent interface. The library exposes its core functionality through command-line utilities that allow users to translate, convert, and process geospatial data between formats. A coordinate transformation engine handles conversions between spatial reference systems, whil

Specification for streaming massive heterogeneous 3D geospatial datasets :earth_americas:

A Blender add-on to import models from google maps

GRASS - free and open-source geospatial processing engine

GeoPandas is a Python library that extends pandas with native support for geospatial data. It treats geographic geometries—points, lines, and polygons—as a first-class column type within DataFrames, enabling users to store, manipulate, and analyze vector spatial data alongside traditional tabular attributes. The library is built on top of proven geospatial components: it uses Shapely for all geometric operations, Fiona and GDAL for reading and writing standard spatial file formats, PyProj for coordinate reprojection, and an R‑tree spatial index (from Shapely) to accelerate spatial queries. Wh

Desktop based tool for viewing, editing and saving road network maps for autonomous vehicle platforms such as Autoware.

Map handling framework for automated driving

🛰 An index of aerial and satellite imagery useful for mapping

Plugins to make Autoware vector maps in Unity

OSMnx is a Python library for downloading, modeling, and analyzing street networks and other geospatial features from OpenStreetMap. It enables users to retrieve and work with real-world infrastructure data anywhere in the world, providing tools for network analysis, spatial queries, and visualization. The library offers capabilities for working with urban features such as building footprints, transit stops, and elevation data, along with network statistics like intersection density and circuity. It supports multiple travel modes including driving, walking, and biking, and can calculate short

osrm-backend is a high-performance routing engine and backend service designed to calculate shortest paths and travel distances using OpenStreetMap data. It functions as a graph-based pathfinding server and map data processing tool that converts raw map data into specialized formats optimized for high-speed routing calculations. The system provides specialized route calculation for different transport modes, allowing for the definition of custom routing profiles with specific speed limits and travel constraints. It enables high-performance route planning and travel time estimation across larg

The reverse-linear-sync-engine is a data synchronization framework designed to manage distributed application state. It provides a system for tracking local data mutations, resolving discrepancies between multiple sources, and maintaining consistency across connected clients through a centralized transaction-based model. The engine distinguishes itself by integrating reactive state observation with a transaction history stack. This combination allows the framework to automatically refresh interface components when data changes while simultaneously enabling precise undo and redo functionality.

Falcor is a JavaScript library that models remote data as a single virtual JSON graph, providing a path-based query engine for efficient client-side data retrieval and updates. It represents multiple remote data sources as a unified document where entities are accessed via globally unique identity paths. The system distinguishes itself by treating the remote data model as a virtual JSON resource, allowing the client to query specific paths without managing individual endpoints. It uses a reference-aware graph model to handle many-to-many relationships and prevents data duplication. Network ef

FalkorDB is a high-performance graph database management system and vector graph database. It serves as a knowledge graph construction tool and a GraphRAG knowledge store, integrating structured property graphs with vector search to provide grounded context for large language models. The engine is designed as a multi-tenant graph engine, capable of hosting thousands of isolated datasets within a single instance. The system distinguishes itself by using linear algebra for query execution, treating relationship tensors as matrix multiplications to achieve low-latency multi-hop traversals. It ut

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

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

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

QGIS is a professional, open-source desktop geographic information system designed for the creation, editing, visualization, and analysis of complex spatial data. It functions as a comprehensive environment for managing vector, raster, and point cloud datasets, providing the tools necessary to perform coordinate transformations, georeferencing, and geographic calculations. The platform distinguishes itself through a modular architecture that supports deep system integration via third-party plugins and a hybrid runtime that combines high-performance compiled code with an interpreted scripting