There are many alternatives to DaisyDisk for Mac if you are looking to replace it. The most popular Mac alternative is 
ncdu, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to DaisyDisk and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to DaisyDisk are 
GrandPerspective (Free Personal, Open Source), 
JDiskReport (Free), 
OmniDiskSweeper (Free) and 
DiskWave (Free).
Disk space analyzer. If you're looking for more info about DaisyDisk like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.
A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you don't have an entire gaphical setup, but have to do with a simple SSH connection. ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed.
GrandPerspective is a small utility application for Mac OS X that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space. It uses a so called tree map for visualisation. Each file is shown as a rectangle with an area proportional to the files size. Files in the same folder appear together, but their placement is otherwise arbitrary.
JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders. The tool analyses your disk drives and collects several statistics which you can view as overview charts and details tables. This is ad-free uncrippled no-charge binary multi-platform software that never expires.
OmniDiskSweeper is a Mac OS X utility for quickly finding and deleting big, useless files and making space on your hard disks. OmniDiskSweeper scans your disks and highlights the biggest files, so you can determine what's using up your disk space. It's a fast, easy way to find things that are hogging your drive and clear them out so you've got room for the stuff you really need. Key Features 1.
DiskWave is a free utility to help you determine where most of your hard drive space is consumed. The program scans your hard drive to compute the size of all folders and sub folders. The results are stored in memory, which allows faster navigation than the built-in “compute all sizes” option in the Finder. You can easily identify useless directories and delete them.
Free open-source cross-platform file & directory statistics as found on Github - Generate a directory tree for any given folder - View any folder as colored rectangles (squarified algorithm) - Customize the rectangle colors and show statistics about filetypes - Export the tree as JSON with sizes and file/folder counters - Export the rectangle view as JSON, SVG or PNG - Easy start screen with sane default settings
Duc is a collection of tools for inspecting and visualizing disk usage. Duc scales quite well, it has been tested on systems with more than 500 million files and several petabytes of storage.
Disk Analyzer Pro is a useful tool that swiftly analyzes your disk space and demonstrates the usage of the disk in terms of file count, file size, created date, etc. It gives you an overview of each and every existing file on the disk in a categorized manner. With the help of a file viewer window in Disk Analyzer Pro, you can delete, copy, move files from one place to another and can also create zip files, if required.
Status bar app for macOS that shows the amount of free disk space left on the hard drive.
WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks. The files and folders are automatically sorted by size, with the biggest sizes first. While the app is measuring a folder the user can browse the files within that folder and immediately see the size in bytes.
