Firefox Relay vs Source SDK

A side-by-side look at Firefox Relay and Source SDK. For an in-depth review of either product, follow the links below.

Firefox Relay

Security & Privacy

Firefox Relay is a free service from Mozilla that provides users with alias email addresses to protect their privacy and reduce spam. Users can generate unlimited email aliases that forward messages to their real inbox.

emailprivacyantispamaliasanonymity

Full review → Alternatives

Source SDK

Development

Source SDK is a free software development kit created by Valve Corporation that allows users to create mods and games using the Source game engine. It includes tools for mapping, modeling, animation, scripting, particles, and more.

moddinggame-enginevalvemappingmodelinganimationscriptingparticles

Full review → Alternatives