Features:

• High performance
• Buffering
• Memory management
• OpenFileManager
• Unified I/O based implementation of ImageInputStream and ImageOutputStream
• Access everything using one common interface
• Read/write direct from/into primitive arrays
• Optimized reading over http (only requesting the required data range of bytes - uses byteserving feature of http 1.1)
• Easy extensible design
• Unified I/O contains also many utilities:
  • BitInputStream and BitOutputStream.
  • PackBits, RLE4 and RLE8 decoder.
  • base64 codec implementation.
  • and many others.
• Unified I/O is licensed under BSD