|Type of business||Non-profit|
|Dissolved||December 10, 2018|
|Owner||Linux Counter Project|
|Founder(s)||Harald Tveit Alvestrand|
The Linux Counter was a website that attempted to estimate the number of people and machines using the Linux operating system. It ran from 1993 until December 2018. The last available estimate of Linux users was 91.9 million, as of August 2017.
The Linux Counter was started "for fun" with the goal to estimate the number of Linux users there are worldwide. The project invited users to register themselves as being a Linux user and then used various statistical heuristics to estimate the number of Linux users who did not register and the total number of Linux users worldwide. The project initially tracked the number of Linux users, but later extended to statistics on Linux users, the machines they use, software they use and in what part of the world Linux users actually lived. A second purpose of the Linux Counter was to help Linux users to find each other. The Linux Counter was reporting Linux users in almost any place in the world. If Linux users set their information to be public, one could easily find those users; Linux users could, for example, find other Linux users who lived somewhere near them.
The counter was run by a nonprofit organization called the Linux Counter Project. The organization was created on 1 May 1999, taking over the running of the counter from Harald Tveit Alvestrand, who had been running the project since 1993. In 1999, the project received wide technical media coverage, which led to it being slashdotted. Linux Today reported how Microsoft Austria used the site for spamming Linux users; the counter kept a list of press references, occasionally updated.
On 10 December 2018, Christin made a post on her personal blog announcing that she would no longer maintain the project, due to lack of time, lack of help and lack of interest as indicated by few to no new registrations or machines.
At the end of 2020 Benjamin Marwell contacted Christin Löhner and asked to revive the project. They both decided to create a completely new application in VueJS. Since 1st of january 2021, they both work together on github for a new linuxcounter/unixcounter project.
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