Directory

Python library extending pandas with geometry columns, spatial operations, reprojection, spatial joins and file I/O for vector geodata

Open-source wealth-tracking web app for stocks, ETFs, crypto and other assets, self-hostable with Docker or used as a hosted service

Hexagonal hierarchical geospatial indexing system from Uber with a C core and bindings for Python, JavaScript, Java and SQL engines

Lightweight open-source JavaScript library for interactive tile-based web maps with markers, vector layers and a large plugin ecosystem

Open-source vector-tile map renderers for web (GL JS) and native platforms, forked from Mapbox GL and governed by a community organisation

Collaboratively edited world map database released under the ODbL, with planet files, an editing API and derived tiles and extracts

Read-only query service for OpenStreetMap data using the Overpass QL language, available on public instances or self-hosted

Spatial extension for PostgreSQL adding geometry, geography and raster types with indexing and hundreds of SQL functions

Python library for portfolio optimization: efficient frontier, Black-Litterman, hierarchical risk parity and discrete allocation

Open-source desktop GIS for viewing, editing, analysing and publishing vector and raster geodata, extensible with Python plugins

Open-source C++ library for quantitative finance covering instruments, term structures, pricing engines and calendars, with Python and other bindings

Python library for quantitative portfolio optimization with many risk measures, robust estimators and hierarchical clustering models

Community-maintained fork of Quantopian's Zipline, an event-driven Python backtester with data bundles and the Pipeline API