Step Sequencer

8 by 8 is 64

Linux 64bit
v6.0-2 2020-05-03 4.43MiB
Linux ARM64
v6.0-2 2020-05-03 4.40MiB
Mac Universal
v6.0-2 2020-05-25 4.87MiB
Windows 64bit
v6.0-2 2020-05-03 2.65MiB
Linux 32bit
v6.0-2 2020-05-03 4.23MiB
Linux ARM
v6.0-2 2020-05-03 4.14MiB
Mac (dmg)
v6.0-2 2020-05-25 9.30MiB
Windows 32bit
v6.0-2 2020-05-03 2.50MiB

source-code (all platforms)

screenshot