Calibre: Calibre is a free and open source ebook library management application developed by users of ebooks for users of ebooks.
Caliber: Caliber ແມ່ນຄໍາຮ້ອງສະຫມັກການຄຸ້ມຄອງຫ້ອງສະຫມຸດ ebook ຟຣີແລະ open source ທີ່ພັດທະນາໂດຍຜູ້ໃຊ້ ebooks ສໍາລັບຜູ້ໃຊ້ ebooks.