I know of Amour Amour (purchased off ebay) inspired by Cacharel Anais Anais but I am sure there are plenty more. There are also many more affordable fragrances which are suitable fragrance subtitutes / alternatives for more well known perfumes.
Body Shop Javari alternative to JPG le Male
Coty L'Aimant alternative to / twin formulation to Chanel No.5
Diesel Plus Plus Masculine alternative to Dunhill Desire for men
Fendi Fantasia alternative to TM Angel (though less patchouli & musk)
I would love to hear more about those. It would be a wonderful way to experience / try new fragrances without breaking the bank and also supplementing the original, so that you can enjoy it more often without worrying about the cost.
Favourite (Winter) Crazy Combos
Tabu + Orange Blossom * Hermes Rouge + Bellodgia* Voleur du Roses+ Rose Ispahan * Rasa Extreme + Paris * Wood Coffee + Cafe Noir *
People have said that Le Dix is very similar to Chanel's n.5