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SolarWinds TFTP Server vs Tftpd64: catalog facts
SolarWinds TFTP Server	Tftpd64
Free Free to download and use.	Free Free and open source.
Windows	Windows
Runs as a Windows service Concurrent transfers from multiple devices	TFTP, DHCP, DNS, SNTP and Syslog servers in one program Supports TFTP options for faster transfers
Windows only TFTP only, with no configuration management features	Windows only TFTP itself has no encryption or strong authentication
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.