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

MadMapper
QLab
Resolume
HeavyM
MapMap
Freej
Pure Data
VPT 8 by HC Gilje, released may 2018. Video Projection Tool (VPT) is a free multipurpose realtime projection software tool for Mac and Windows. VPT 7 was downloaded over 100000 times, so in spite o…

Which is more popular?
Based on our record, VPT seems to be more popular. It has been mentioned 2 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 | hcgilje.wordpress.com |
| 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 VPT yet.
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VPT 7 quickstart
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Other options include Resolume Arena, which excels in live performances and offers an ultra-fast video player for real-time video mixing. Resolume Avenue, a sister program to Arena, also provides a reliable visual...
VPT, also known as Video Projection Tool, is an open-source software that has gained popularity for its simplicity and accessibility. With its drag-and-drop interface, users can easily map video content onto surfaces...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Video projection tool can do that for free. https://hcgilje.wordpress.com/vpt/. Source: about 5 years ago
VPT8 might be what you're looking for. Source: over 5 years ago
When comparing ZIP Code API and VPT, 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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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Resolume is an application for live video performances.
Compare Resolume to ZIP Code API or VPT: