A Python-based, open source, platform independent, utility to communicate with the ROM bootloader in Espressif ESP8266 & ESP32 chips. Python 2 and 3 compatible. Can use this to dump the firmware for analysis. Depends upon pySerial.
OpenStreetmap's wiki page pertaining to planet.osm, the planet-wide database dump of the OSM. Includes formats, mirrors, bittorrent, and technical notes. Might be useful to read.