alpha

noun
1
the first letter of the Greek alphabet (A, α)
آلفا
2
a version of a product, especially computer software, that is not yet ready for the public to buy or use, and that is tested by the company that is developing it
نسخه‌ی اولیه, نسخه‌ی آلفا, نسخه آلفا, نسخه آزمایشی