
Joplin
Evernote
OneNote
Google Keep
Obsidian
Simplenote
Notion
A safe place for your notes, thoughts, and life's work
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, Standard Notes seems to be more popular. It has been mentioned 131 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 | standardnotes.com | zip-codes.com |
| Pricing | — | |
| Company | Startup from the United States | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Standard Notes 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.

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

No analysis of Standard Notes yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Standard Notes: Full Review, Pricing & Thoughts
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Standard Notes 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.

As you can see, Standard Notes features a straightforward design, unlike many Google Keep alternatives. This makes it exceptionally user-friendly, even for novices.
Standard Notes is a no-frills note-taking app that focuses on simplicity. It doesn't require registration, making it easy to start taking notes right away. While it lacks advanced features like notebooks or...
In conclusion, these are some of the best open source alternatives to Notion that offer different approaches to note-taking, task management, and project collaboration. Whether you're looking for a flexible,...
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Recommendations tracked on public social media and blogs since March 2021.

I can recommend Standard Notes as an alternative. https://standardnotes.com/ Works well on all paltforms, desktop and mobile. The sync works also great. It also backs up to text files on your computer, so that you can back up your files... - Source: Hacker News / 8 months ago
Standard Notes Official Website A super-private, encryption-first notes app worth checking out. - Source: dev.to / over 1 year ago
I haven’t used this service, but it does have some kind of integrated publishing feature. https://standardnotes.com/. - Source: Hacker News / about 2 years ago
Tracking ZIP Code API since May 2026.
When comparing Standard Notes and ZIP Code API, you can also consider the following products.

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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