Mac: Hazel has long been our favourite tool for automating file cleanup on your Mac, and today it's getting a little easier to use with live previews and support for syncing services.

Mac: Gatekeeper is a great way to lock down your Mac so only approved apps can be opened, but sometimes you need to circumvent that restriction. Six Colours points out a handy keyboard shortcut for doing just that.

Mac: iTerm has long been our favourite terminal emulator for the Mac, and over the weekend the next big update entered into public beta. It's packed with a ton of new features.

Mac: QuickTime's a surprisingly versatile little video player included in OS X, but the most recent version tucks away some features that used to be a bit more obvious. Case in point, Mac Issues points out you can Option+click the advancement arrows to get a little more precision.

The startup sound is a Mac's way of letting you know everything is OK, but sometimes, things go bad and you need to boot into a different mode then usual. Mac's have a bunch of options for this, and all they require is that you hold down a keyboard shortcut at boot.

Mac: Not all apps have the same base volume, and sometimes one app likes to really scream at you while another is too soft. Volume Mixer allows you to independently control the volume of apps.

Not a fan of Launchpad's default five by seven grid for displaying apps? Defaults-write points out that you can alter it to just about whatever you want with a Terminal command.

Mac: If you need to route audio from one Mac to another, say, from a microphone to Skype to Audacity, the go-to tool has long been the often baffling, occasionally unreliable Soundflower. Loopback is a new app that does the same basic thing, but makes it a heck of lot easier to manage.

Mac: The Dropbox syncing icon is a handy way to easily see what folders are synced to Dropbox. If you don't like the boring old Dropbox checkmark, Jacob Salmela shows how to change it.

Mac: The three-finger gesture that allows you to drag windows around without a click has been in OS X for a while, but in both Yosemite and El Capitan, the setting to enable it was moved. Now, it's over in the Accessibility options.

Mac: It has been a long time since Twitter bothered to do anything with their Mac app, let alone anything substantial. This time around, the app's actually got some legs on it, supporting a variety of newish Twitter features.

Mac: Having trouble getting your Safari history and settings to sync over iCloud? OS X Daily points to a little setting in the Mac App that will force the sync process.

We were fans of CleanMyDrive when it was initially released, because it made managing multiple external drives a lot easier. Now, with a recent update, the app's even better.

iOS: AirDrop is one of the simplest ways to share files in OS X, but it doesn't work well between different versions of OS X. If you have one computer on Mavericks and another on El Capitan, they won't find each other. OS X Daily shares a simple workaround.

Mac: The login screen on a Mac is purposefully devoid of information, but if you'd like to add just a little more info, MacIssues shows you how to with Terminal command.