Ethan Galstad creates a simple MS-DOS application designed to “ping” Novell Netware servers and send numeric pages. The application is designed using external third-party applications to perform the server checks and send pages. The basic architectural concept that will be used for Nagios is born.
Considering getting in to the hosted monitoring/managed services business, Ethan uses the ideas and architecture of his earlier work to begin building a new and improved application designed to run under Linux.
Ethan releases his work as an open-source project under the name “NetSaint.” He estimates there might be approximately one dozen other people who might be interested in the application.
The plugins that were originally distributed as a part of the NetSaint distribution are soon spun off as a separate Nagios Plugins project.
Due to trademark issues with the name “NetSaint” that could have a long-term impact, Ethan decides to rename the project to “Nagios,” which was a recursive acronym for “Nagios Ain’t Gonna Insist On Sainthood.” The NetSaint Plugins project development is moved to the Nagios Plugins project.
Nagios is SourceForge.net Project of the Month (POTM) in June.
Nagios is rated by eWeek Labs as one of several enterprise-class “Must Have Tools”.
Nagios is mentioned as one of the “Hot Companies in Open Source” to watch in Michal Moe’s “Finding the Next Starbucks” – even though there isn’t a company yet.
Ethan founds Nagios Enterprises, LLC to provide consulting and development services around Nagios.
Nagios is a finalist in the “Best Tool or Utility for SysAdmins” category of the SourceForge.net Community Choice Awards.
Nagios wins the LinuxQuestions.org 2007 “Network Monitoring Application of the Year” award.
LinuxWorld.com rates Nagios as one of the “Top 5 Open Source Security Tools in the Enterprise.”
eWeek rates Nagios as one of “The Most Important Open Source Apps of All Time.”
Nagios makes the front cover of Information Week magazine titled “The Open Source Enterprise.”
Nagios wins the LinuxQuestions.org 2008 “Network Monitoring Application of the Year” award for a second year in a row.
Nagios is honored as being one of Infoworld’s Best of Open Source Software (“BOSSIE”) 2008 Award winners. Nagios won the “Server Monitoring” category.
Nagios is downloaded directly from SourceForge.net over 500,000 times.
Annual support contracts are officially offered for the first time from Nagios Enterprises.
Nagios Enterprises releases its first commercial monitoring product, Nagios XI.
Nagios wins the Linux Journal Reader’s Choice 2009 award for “Favorite Linux Monitoring Application.”
Nagios is a finalist in the SourceForge.net Community Choice Awards 2009 for “Best Tool or Utility for SysAdmins.”
Nagios wins the LinuxQuestions.org 2009 “Network Monitoring Application of the Year” award for a third year in a row.
Infoworld names Nagios as one of the Best of Open Source Software (“BOSSIE”) 2009 Award winners. This was the second year in a row that Nagios achieved such an honor.
Nagios is renamed Nagios Core.
Nagios Core is downloaded directly from SourceForge.net over 600,000 times.
Nagios wins the LinuxQuestions.org 2010 “Network Monitoring Application of the Year” award for the fourth year in a row.
Nagios wins the Linux Journal 2010 Readers’ Choice Award for “Best Monitoring Application.”
Nagios wins the LinuxCon 2010 poll for “Favorite IT Operations Tools.”
Nagios Fusion is released as a central monitoring server dashboard
Nagios BPI is released to monitor business processes.
The first Nagios World Conference is held in Saint Paul, MN (USA).
Nagios wins the LinuxQuestions.org 2011 “Network Monitoring Application of the Year” award for the fifth year in a row.
Nagios wins the Linux Journal 2011 Readers’ Choice Award for “Best Monitoring Application.”
Nagios wins the PortalProgramas 2011 Open Source Award in the “Essential for Communications Networks” category.
Nagios is awarded “Best Web Tool” by WebHostingSearch.com.
Nagios is listed in the SecTools.org list of top 125 security tools.
NSTI is released to manage SNMP traps.
Nagios Incident Manager is released.
The second Nagios World Conference is held in Saint Paul, MN (USA).
Nagios wins the LinuxQuestions.org 2012 “Network Monitoring Application of the Year” award for the sixth year in a row.
Nagios wins the Linux Journal 2012 Readers’ Choice Award for “Best Monitoring Application.”
Nagios was a featured project on SourceForge.net.
Nagios Network Analyzer is released to provide in-depth analysis of network traffic patterns.
NCPA is released to provide an extensible, cross-platform monitoring agent.
Nagios Core 4 is released.
The third Nagios World Conference is held in Saint Paul, MN (USA).
Nagios wins the LinuxQuestions.org 2013 “Network Monitoring Application of the Year” award for the seventh year in a row.
Nagios wins the Linux Journal 2013 Readers’ Choice Award for “Best Monitoring Application.”
Nagios has been installed over 8 million times since 2008.
Nagios Named St. Paul’s Hidden Gem in Tech{dot}MN
Nagios announces that the Nagios Plugin team is undergoing some changes, including the introduction of a new maintainer.
Nagios wins the LinuxQuestions.org 2014 “Network Monitoring Application of the Year” award for the eighth year in a row.
The fourth Nagios World Conference is held in Saint Paul, MN (USA).
Nagios Log Server is released to provide enterprise-class log monitoring and management.
Nagios Core surpasses 7,500,000 downloads directly from SourceForge.net
Nagios wins SourceForge Community “Project of the Month” for October 2016.
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