Memory
Only a small amount of the compressed or decompressed data is in memory at any one time.
Encryption
Supports WinZIP-style AES-encryption, as well legacy ZipCrypto/Zip 2.0.
Large files
Decompresses Zip64 and Deflate64 ZIPs that are used for larger amounts of data.
Contributions
The code for stream-unzip is public and contributions are welcome though the stream-unzip repository on GitHub.