Klaviyo - Klaviyo helps brands own the customer experience, grow higher-value relationships, and deliver more personalized marketing experiences across email, mobile, and web.
Gas Mask - Gas Mask is simple hosts file manager for Mac OS X.
Criteo - Build, scale, and activate first-party audiences with The Commerce Media Platform.
SwitchHosts - Free and open source hosts management & switching app
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
BlueLife Hosts Editor - BlueLifeHosts editor is a Portable freeware application for editing windows Hosts file ,(easily add/delete , Block , Update domain names)