The 4.10 version of 555 Timer is available as a free download on our website. The actual developer of the free program is Andy Clarkson. You can launch this free PC program on Windows XP/Vista/7/8/10 32-bit. The most frequent installation filenames for the software are: 555 Timer.exe and TimerPRO11.exe etc. 555 Timer lies within Education Tools, more precisely Reference. The most popular version among the program users is 4.1.
From the developer:
This program allows you to calculate Resistor and Capacitor values
for both Astable and Monostable modes.
You may want to check out more software, such as Timer-7, Time Doctor Pro or DSLR Timer, which might be similar to 555 Timer.