Mapzen’s cross-platform, open source WebGL/OpenGL map rendering engine for creative cartography

Highly customizable real-time mapping through JavaScript styling functions and GLSL shaders

YAML-based syntax for selecting and styling data, modular for composing and remixing across maps

About Github 1,400 stars on the JS library and 2,500 across projects

Adopted by the Linux Foundation in January 2019

Bubble Wrap

Worldwide basemap filled with street-level detail

Over 900 road shields for US states and international motorways

Support for complex text shaping for Arabic, Hindi, Burmese, etc.

Walkabout

Outdoor-focused basemap

Tron — scifi-themed basemap

Wind map — three months of time series data for temperature, direction, and strength

User-controlled variables for map appearance — color theme, language preference, transit overlay, bathymetry toggle, and so on

Level of Detail controls for feature and label density