I would need a bit more info to give a specific recommendation but you can take a look at Automation Software for some reviews.
I like WinAutomation for local windows tasks but there are tons of programs out there to try if you want.
I'm pretty sure the best software for automating online tasks is UBot Studio. Built-in functions to create accounts, and easy ways to click buttons and fill forms lets you solve a lot of problems with mundane tasks by building an .exe to do them for you. Very cool!