OpenTFTPServer

MultiThreaded TFTP Server Open Source Freeware Windows/Unix for PXEBOOT, firmware load, support tsize, blksize, timeout Server Port Ranges, Block Number Rollover for Large Files.

Runs as Service/daemon. Single Port version also available.
Features:
- Supports nearly Every Industry Standard Feature
- Total Size (tsize), Block Size, Interval Time, Block Number RollOver
- Supports process owner, other than root
- Extensive Logging, Historical Logging
- Can specify Server Interfaces and Ports
- Client Port Ranges
- Thread Pool
- Unix Daemon or Windows Service
- Very Small Foot Print