I just made a list from the Fragrance Twins thread of all the Peak FO's listed there for all of us to use.
Peak Jamaican Me Crazy and JS Paradise Island
Framboise Citron Cheesecake-AH, Iced Lemon Danish-Peak
Peaks Amish Harvest and Aroma Haven's Celtic Moon Spice- Very very Similar
NG"s Watercress and Aloe and Peak's Green Clover in Aloe
AGE's Salty Mariner and Peaks Ocean
Peak's Casaba Mist & AH's Badedas
Peaks Spruce Xmas Tree and AH's Ozark Forest
Peaks Fresh Linen and BCN Angel Wings
BW Sandalwood Cardamom is the same as Peaks Sage & Citrus
Peaks Clean Cotton and The Candle Source Clean Cotton
CS Black Rasp Vanilla and Peaks Black Rasp Vanilla
Peaks Amish Harvest & Tenn Amish Harvest are very similar
Also Peaks country berry hotcakes and ICS Wildberry Mousse. Also, Peaks country berry hotcakes smells just like JS cbh
Peaks & Candlewic Black Raspberry Vanilla
Peaks Blueberry Cobbler and Candlewic Blueberry Pie
Peaks & AH/RE Orange Chiffon Cake
Wild Mountain Honey-Peak, Flaming Candle Company & Elements-Honey L'Occitane Type
Peaks (Winter Orange Spice) & Lonestar (Autumn Harvest)- same