FanCtrl Alternatives
FanCtrl is described as 'software that allows you to automatically control the fan speed on your PC' and is a Fan Speed tool in the system & hardware category. There are eight alternatives to FanCtrl for Windows, Mac and Linux. The best alternative is SpeedFan, which is free. Other great apps like FanCtrl are FanControl by Rem0o, Macs Fan Control, Fanny and TPFanControl.
SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips. SpeedFan can even access S.M.A.R.T. info and show hard disk temperatures. SpeedFan supports SCSI disks too.
Discontinued
The developer promised new versions, but the program seems to be no longer updated. Latest version, 4.52, released in June 2016, can be still downloaded from the official website.
Fan Control is a focused and highly customizable fan controlling software for Windows. It supports multiple temperature sources in min, max and average configurations, and fan curve functions, including but not limited to, linear, graph, and mix to control a single fan.
Monitor and control fans on Apple computers with a simple and efficient user interface
Fanny is a free Notification Center Widget and Menu Bar application to monitor your Macs fans.
Solution to the cooling fan noise annoyances Thinkpad T4x (T40/T41/T42/T43) notebook series. Allows the user to control fan activity based on the system temperature. Win XP Visual C++ project controls the fan via port IO to the embedded controller.
This software detects and optionally controls speed of CPU fan of many PC-Systems. Furthermore you are able to configure the handling of the EC-registers on your own (risk). To determine the EC-registers use e.g. software like "rw everything".
Coolero is a front-end that uses libraries like liquidctl and a few others to control cooling devices, mostly AIOs, fan hub/controllers, along with PSUs and some RGB lighting support.
eeectl is a tiny yet powerful program for Asus EEE PC 700 series, it runs on Windows® and allows you to control & overclock your EEE PC on the fly.
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