The Usual Suspects:

Potato Chips
Tortilla Chips (plain, blue, or black bean)
Crackers
Celery Sticks, Carrot Sticks, Broccoli, Cauliflower, Cucumber, Red Radishes, Bell Pepper

The Twists:

Bagel chips
Sweet potato chips / Terra Chips
Small Rice Crackers
Veggie Chips / Sticks
Bread Sticks
Thin rounds of Zucchini, Turnips, Celery root, Jicama, Kohlrabi, Fennel, Endive, Green Beans, Sugar Snap Peas, Steamed Asparagus
Sliced apples (toss with a little lemon juice so it doesn’t turn brown)
Toasted Pita Triangles
Puffy Cheese Twists
Party Rye, toasted