
WizTree
TreeSize
DaisyDisk
SpaceSniffer
GrandPerspective
Baobab Disk Usage Analyzer
Directory Report
WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Which is more popular?
Based on our record, WinDirStat seems to be more popular. It has been mentioned 333 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | windirstat.net | zip-codes.com |
| Pricing | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of WinDirStat yet.
API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
What each product offers, as listed by its team.

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An editorial look at what each product does well and who it suits.

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Why this product is good
Recommended for
Overall verdict
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Walkthroughs and reviews on video.
WinDirStat - Disk Usage Statistics Viewer and Cleanup Tool for Windows - #TechTip
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using WinDirStat and ZIP Code API. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

Most people start searching for disk repair software without actually knowing what is wrong with their disk. The bad sectors might contain nothing but useless files, wasting all of your time and effort spent on...
WinDirStat is among the best usage analyzers for disk space available today. However, this tool is only for Windows users and does not offer a Mac version. So, if you are looking for a WinDirStat for Mac alternative,...
We have no reviews of ZIP Code API yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

Why not treemaps rather than sunburst visualizations? E.g., https://windirstat.net/? The treemap visualization is more space filling. - Source: Hacker News / over 2 years ago
Something that helps me is If you want to reformat, Winderstat scans your drive and shows you the size of every folder, plus a visual representation so you see whats taking up more space exactly. Source: about 3 years ago
Not xcom specific advice, but this tool is pretty nifty: https://windirstat.net/. Source: over 3 years ago
Tracking ZIP Code API since May 2026.
When comparing WinDirStat and ZIP Code API, you can also consider the following products.

WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Compare WizTree to WinDirStat or ZIP Code API:

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to WinDirStat or ZIP Code API:

TreeSize tells you where precious disk space has gone to.
Compare TreeSize to WinDirStat or ZIP Code API:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to WinDirStat or ZIP Code API:

DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
Compare DaisyDisk to WinDirStat or ZIP Code API:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to WinDirStat or ZIP Code API: