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CellMapper vs GNU LibreJS

A side-by-side look at CellMapper and GNU LibreJS. For an in-depth review of either product, follow the links below.

CellMapper

CellMapper

Network & Admin

CellMapper is a crowd-sourced mobile phone signal mapping service. It allows users to map cellular tower locations and network performance using an app on their mobile phone. The data collected helps to improve network coverage maps.

crowdsourcingcell-towerscoverage-mappingnetwork-performance
GNU LibreJS

GNU LibreJS

Security & Privacy

GNU LibreJS is a free add-on for Firefox and Chromium-based browsers that blocks nonfree nontrivial JavaScript code. It protects users from privacy/security issues and promotes the spread of free software.

privacysecurityjavascriptbrowseraddon