Several online bonus units and tools are now available for Vortex.
From their announcement:
Unified Theory Games has released a Platoon Construction Tool and the first two of many Web Bonus Combatants. The two Bonus Combatants, a Commander and a Ranged Sprayer, feature a taste of over 250 Abilities, Liability, and Weapon Features and Flaws that will be available in the full Vortex Core Rulebook. Additional Bonus Combatants and tools will be periodically released.
Links to the free Vortex Basic Battlefield Rules and the Additional Web Content can be found at www.UnifiedTheoryGames.com/games.asp