Firmware for the Original Prusa MINI, Original Prusa MK4 and the Original Prusa XL 3D printers by Prusa Research.

Specification for storing geospatial vector data (point, line, polygon) in Parquet

Toolbox for constructing alpha shapes.

Template-based implementation of RANSAC and its variants in C++

Quadkey is short for quadtree-key. Each key encodes a square region in latitude and longitude space, organized by detail level making it useful for optimizing geospatial queries.

Infinitely scalable, event-driven, language-agnostic orchestration and scheduling platform to manage millions of workflows declaratively in code.

OGC/GIS functions and extensions for Dremio

GeoFlink: A Distributed Framework for the Real-time Processing of Spatial Streams

Java Native Interface for PROJ

Java bindings for H3, a hierarchical hexagonal geospatial indexing system

Geohash utitlies in java

Large-scale LoD2 Building Reconstruction from Airborne LiDAR Point Clouds

the portable Python dataframe library

pygeofilter is a pure Python parser implementation of OGC filtering standards

A simple Python tool for generating watertight meshes

Turn (almost) any Python command line program into a full GUI application with one line

Java utilities for transforming distance along N-dimensional Hilbert Curve to a point and back. Also supports range splitting queries on the Hilbert Curve.

Immutable in-memory R-Tree and R*-Tree for Java with Iterable API

Java library implementing immutable R-tree and R*-tree for n dimensions

Implementation of GeoHashes in java. We try to be/stay compliant to the spec, as far as possible.

NumPy-based text/binary PLY file reader/writer for Python

Apache Calcite

Trino UDFs Plugin to encrypt/decrypt values with a password

LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation

Trino website

page of the article "Efficiently Distributed Watertight Surface Reconstruction"

Apache Iceberg

Python client for Trino