This video shows some of the new projectile based weapons including flak cannons which can damage multiple targets in a short radius. Unlike beam weapons, projectile weapons are not guaranteed to hit the target if they are moving too fast or erratic.
Shield Restore Modules
The green beams seen in the video and screenshots are shield assist modules that restore shield hitpoints for a friendly target, still need to think of names for these. There will also be similar modules that repair the hull for a friendly target.