If you are looking for the "Snow Edition" specifically for its winter look, these are the most highly-rated alternatives often used in the same "put together" compilations:
The most common version referred to in this context is the (or similar variations like "Versus 16x Snow Edition"), which is a PvP-optimized resource pack for Minecraft. Key Features of the Snow Edition (Versus)
: Typically features a custom, high-quality "Cold Sky" or starry night winter skybox.
: Snow-covered grass and icy ore highlights are standard to help them pop against the white landscape. Popular Winter Packs Often Paired or Mixed With Versus
: Includes short swords and "low fire" to improve visibility during combat.
: For a more permanent single file, you can use online tools like Itsme64's Texture Pack Merger to combine your favorite elements from Versus and other snow packs into one.
: A comprehensive resource pack that turns almost the entire world snowy, including foliage and mob backs.
If you have multiple pieces of these packs and want to "put them together" yourself: