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

Keypirinha
DockbarX
Alfred
Gnome-Pie
Launchy
Listary
Synapse
Fast application launcher for Linux. Custom shortcuts for web URLs and scripts.

Which is more popular?
Based on our record, Ulauncher seems to be more popular. It has been mentioned 31 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 | zip-codes.com | ulauncher.io |
| Pricing | — | |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

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...
No description of Ulauncher yet.
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Ulauncher is highly recommended for Linux users who want to enhance their productivity. It's particularly beneficial for those who appreciate open-source solutions and need a versatile launcher to streamline their workflow. Users who enjoy personalizing their tools with extensions and themes will also find Ulauncher appealing.
Walkthroughs and reviews on video.
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Awesome Linux Tools: Ulauncher
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Ulauncher. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Yeah. Plus the fact that ulauncher is already an existing launcher-type app for Linux: https://ulauncher.io/. - Source: Hacker News / 9 months ago
Ulauncher: Probably the most comprehensive one. Not for me, though, and using it with extensions might be tricky with Nix. - Source: dev.to / over 1 year ago
Anyhow, I do prefer the Ulauncher over using the native GNOME launcher (probably has a different name like application menu, I mean the thing that opens once one clicks the super key). Source: over 3 years ago
When comparing ZIP Code API and Ulauncher, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Compare Keypirinha to ZIP Code API or Ulauncher:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
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DockbarX is a standalone dock that groups and launches applications.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Ulauncher:

Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
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