HostsMan - HostsMan is a freeware hosts file manager and editor. Built-in hosts file updater
VirtualHostX - VirtualHostX 4.0 is the easiest way to host and share multiple websites on your Mac.
Gas Mask - Gas Mask is simple hosts file manager for Mac OS X.
BlueLife Hosts Editor - BlueLifeHosts editor is a Portable freeware application for editing windows Hosts file ,(easily add/delete , Block , Update domain names)
Anvil.works - Build seriously powerful web apps with all the flexibility of Python. No web development experience required.
SwitchHosts - Free and open source hosts management & switching app