
Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

CherryTree
Obsidian
Joplin
Logseq
Zim Wiki
Cryptee
Notesnook
Trilium Notes is a hierarchical note taking application.

Which is more popular?
Based on our record, Trilium Notes seems to be more popular. It has been mentioned 116 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | github.com |
| Pricing | ||
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from the Czech Republic |
| Listed in |
In their own words, as submitted to SaaSHub.


PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
No description of Trilium Notes yet.
What each product offers, as listed by its team.


Possible disadvantages
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
Trilium Notes is recommended for users who need detailed organization tools, enjoy customization, or have programming skills to leverage its scripting features. It is also suitable for privacy-conscious users who require encryption and for those who appreciate open-source platforms where they can contribute to the software's development.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
Steam Play for Linux, Ubuntu Touch, Flatpak 1.0, Kali, Trilium Notes & more | This Week in Linux 35
How often each product is chosen within a category, 0–100% relative to the other.


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


We have no reviews of PostalDataPI yet. Be the first one to post
Trilium Notes features fast and easy navigation between notes with full-text search and note hoisting, relation maps, link maps for visualizing notes and their relations, and a touch-optimized user interface for...
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
https://github.com/zadam/trilium#trilium-is-in-maintenance-m... above and beyond the license difference... - Source: Hacker News / over 1 year ago
It depends on what subset of Notion you use. Nothing (including Notion) is perfect for me. I'd like to build my own eventually, but I'm currently using Obsidian which doesn't hit your "works in the browser" requirement. One option,... - Source: Hacker News / over 1 year ago
I can also recommend Trilium Notes [1], which I have been happily using for years. It's currently in "maintenance mode", which I personally see as a feature (no risk of bloatware). Self-hosted, great webapp, optional native clients and... - Source: Hacker News / almost 2 years ago
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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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