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Chrony Project

The Chrony Project develops chrony, an implementation of the Network Time Protocol made up of the chronyd daemon and the chronyc control program. It is free software distributed under the GNU General Public License version 2.

Licensing at a Glance

  • Open source

  1. chrony is distributed under the GNU General Public License version 2.[1]

  2. chrony is an implementation of the Network Time Protocol that can also operate as an NTPv4 (RFC 5905) server and peer.[2]

  3. Two programs are included: chronyd, a daemon, and chronyc, a command-line interface for monitoring and configuring it.[3]

  4. The software is known to work on Linux, FreeBSD, NetBSD, OpenBSD, macOS and illumos.[4]

Products

References

  1. chrony – Introduction · chrony-project.org · retrieved 2026-09-27
  2. chrony – Introduction · chrony-project.org · retrieved 2026-09-27
  3. chrony – Introduction · chrony-project.org · retrieved 2026-09-27
  4. chrony – Introduction · chrony-project.org · retrieved 2026-09-27
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