microg / GmsCore

Free implementation of Play Services

graphhopper / graphhopper

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

00-Evan / shattered-pixel-dungeon

Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.

apache / calcite

Apache Calcite

orientechnologies / orientdb

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

geoserver / geoserver

Official GeoServer repository

nageoffer / ragent

企业级 Agentic RAG 智能体 - 全链路覆盖文档解析、多路检索、意图识别、问题重写、会话记忆、MCP 工具调用与深度思考。面向真实业务场景，从 0 到 1 完整工程实现。

apache / gravitino

World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.

komoot / photon

an open source geocoder for openstreetmap data

dedicatedcode / reitti

Reitti is a comprehensive personal location tracking and analysis application that helps you understand your movement patterns and significant places. The name "Reitti" comes from Finnish, meaning "route" or "path".

apache / sedona

A cluster computing framework for processing large-scale geospatial data

apache / geode

Apache Geode

geogebra / geogebra

GeoGebra apps (mirror)

locationtech / jts

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

geotools / geotools

Official GeoTools repository

cgeo / cgeo

c:geo - The powerful Android geocaching app.

tess1o / geopulse

A self-hosted, privacy-first location timeline platform: an open-source alternative to Google Timeline with automatic trip detection, Immich integration, and rich analytics.

aizhimou / pigeon-pod

Listen to YouTube & Bilibili. Anywhere.

apache / ofbiz-framework

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

maxmind / GeoIP2-java

Java API for GeoIP2 webservice client and database reader

georgewfraser / java-language-server

Java language server using the Java compiler API

Esri / geometry-api-java

The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.

locationtech / geowave

GeoWave provides geospatial and temporal indexing on top of Accumulo, HBase, BigTable, Cassandra, Kudu, Redis, RocksDB, and DynamoDB.

geonetwork / core-geonetwork

GeoNetwork is a catalog application to manage spatially referenced resources. It provides powerful metadata editing and search functions as well as an interactive web map viewer. It is currently used in numerous Spatial Data Infrastructure initiatives across the world.

tonihele / OpenKeeper

Dungeon Keeper II remake

ronitgupta138 / Bharat-Spatial-Engine

🇮🇳 High-Performance Geospatial Administrative Hierarchy & Proximity Query Engine for India's 650k+ Census Settlements (Java 21 Loom, 2D KD-Tree, 38k+ QPS).

hyundaimotorgroup / hmg-ipmap

Open-source IP geolocation platform that resolves IPv4 addresses to city, country, and continent

sethforprivacy / dc1-lineage-gsi

Maintained, unrooted LineageOS GSI fork for the Daylight DC-1 (amber frontlight built in)