Software Downloads

Current versions of NTP

Access to the FTP archive is restricted; incoming connections from certain IP addresses are blocked by the organization hosting the NTP (R&D) Project archives. Please try the HTTP archive if you are unable to access the FTP archive.

Information and other download links

Stable Release NEWS

Focus: Minor Bugfixes

This release fixes a bug in Windows that made it difficult to terminate ntpd under windows.

This is a recommended upgrade for Windows.

Complete NEWS file

About the NTP Source Releases and Patches

The NTP (R&D) Project only produces source code releases of NTP; users needing precompiled versions of NTP should see the links page. These releases may be installed using the standard Unix "make" command in conjunction with a compiler and all necessary libraries.

Please contact your operating system vendor for binary packages or assistance with your package-management system.

The NTP version numbering page explains the version numbering scheme.

NTP Archives from the NTP (R&D) Project at www.ntp.org

Tarballs (for both the release and development versions) and patch files are available from the:

• NTP (R&D) Project HTTP archive.
• NTP (R&D) Project FTP archive

Obsolete versions of NTP are available from the:

• NTP (R&D) Project Deprecated HTTP archive.
• NTP (R&D) Project Deprecated FTP archive

Access to the FTP archive is restricted; incoming connections from certain IP addresses are blocked by the organization hosting the NTP (R&D) Project archives. Please try the HTTP archive if you are unable to access the FTP archive.

Precompiled packages and ports to other operating systems

Third-party implementations, including pre-compiled versions for operating systems such as Microsoft Windows, and some ports of the NTP package are linked to on the links page.

Receiving Notifications about new releases

Please visit ReleaseNotifications for more information about the many options available for receiving notifications about new NTP releases.