Sequelize - based Node.js ORM promise, the use of object-relational database of some operations to avoid SQL
Electron - HTML + CSS + JS develop desktop applications
Turf.js - Geographic algorithm JS library
Officegen - dynamically generated documents: DOC, EXCEL, PPT
Proj4 - geotransform
Satellite.js - Analog satellite trajectory parameters in accordance with
Vorpal - build command-line program
Google-protobuf —— protocol buffer 库