SequoiaView is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The most popular Mac alternative is 
DaisyDisk. It's not free, so if you're looking for a free alternative, you could try 
ncdu or 
JDiskReport. If that doesn't suit you, our users have ranked more than 50 alternatives to SequoiaView and 18 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to SequoiaView are 
GrandPerspective (Free Personal, Open Source), 
crossdirstat (Free, Open Source), 
Duc (Free, Open Source) and 
DiskWave (Free).
Create a visual representation of the amount of space each file is taking on your hard drive. It creates a "squarified treemap" that makes it easy to see where all your space is going. If you're looking for more info about SequoiaView like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.
With DaisyDisk you can free up disk space by quickly finding and deleting big, useless files. The program scans any mounted disk and displays it on the sunburst map, where segments mean files and folders, proportionally to their sizes. The map is easy to read and navigate. You can also quickly preview any file and reveal it in Finder to delete.
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.
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.
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.
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.
Disk Xray is a disk usage statistics viewer, duplicate files/folders finder and cleanup tool for Mac OS X. Disk Xray consists of three modules: 1. Folder scanner is a visual disk/folder analyser that enables you to spot large files and folders on your disk - be it an entire hard disk or a subfolder - giving a sorted breakup of just where your disk space is going. At a glance you can identify which folders are the space hogs and just what is in them by successively drilling down. 2.
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.
