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