Heaven and Earth: full line, including Taffy Ropes, Fruit Strips, lollypops - OU & R' Usher Eckstein
Haribo: Gummies, various (ONLY THOSE WITH RABBI WESTHEIM'S HECHSHER ON FRONT & BACK)
Target/ Good & Gather: Fruit Strips, Fruit Twists (Fruit Snacks are NOT kosher) - Star-K
Stretch Island: Fruit Leather - OK
Apple and Eve: Fruit Snacks - COR (Canada)
Stop and Shop: Fruit Snacks - Star-K
Trader Joe's: Gourmet Jelly Beans(reg., sour) - OU , Scandinavian Swimmers (reg., sour) - Scroll-K (Denver)
YumEarth: Lollypops and hard candy Drops - Chof-K
Darrel Lee: Soft Eating Licorice (not squares) - OU
Au'some: Fruit Nuggets - Badatz Igud Harabanim-Manchester-Rabbi Westheim
Some runs of some flavors of Paskesz Sour Sticks also do not have Artificial Colors (check the package) - Rabbi Westheim
This is what I have come across, if you know of any others, please add them to the wiki