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OPENFREEMAP




WHAT IS OPENFREEMAP?

OpenFreeMap lets you display custom maps on your website and apps for free.

You can either self-host or use our public instance. Everything is open-source,
including the full production setup — there’s no ‘open-core’ model here. Check
out our GitHub. The map data comes from OpenStreetMap.

Using our public instance is completely free: there are no limits on the number
of map views or requests. There’s no registration, no user database, no API
keys, and no cookies. We aim to cover the running costs of our public instance
through donations.

We also provide weekly full planet downloads both in Btrfs and MBTiles formats.


HOW CAN I USE IT?

OpenFreeMap © OpenMapTiles Data from OpenStreetMap
Positron Bright Liberty 3D

Have a look at the default styles and read more about how to integrate it to
your website or app:

Quick Start Guide


WHO IS BEHIND THIS PROJECT AND HOW CAN I FOLLOW IT?

I’m Zsolt Ero (blog, email).

After 9 years of running my own map tile infrastructure for MapHub, I’ve
open-sourced it and launched OpenFreeMap.

X: @hyperknot (for details)
X: @OpenFreeMapOrg (for announcements)

GitHub: openfreemap and openfreemap-styles


WHY DID YOU BUILD THIS PROJECT?

OpenStreetMap is one of the most important collective projects in history. It
began 20 years ago, and today, 3 million edits are made each day!

For a long time, when you wanted to use the map on your website or app, you had
to look for a commercial map tile provider and hope your site didn’t become too
popular. Otherwise, you might end up with a $10,000 bill in a single day, as
Hoodmaps did.

Self-hosting was an option, but it required a big server and a lot of time to
get it right.

Since I’ve spent many years developing the map tile infrastructure for MapHub, I
decided to open-source it so anyone can use it. With OpenFreeMap, you now have
the option to either set up your own server with just one line of code or use
our public instance.


HOW CAN YOU OFFER A FREE PUBLIC INSTANCE ?

There is no technical reason why map hosting costs as much as it does today.
Vector tiles are just static files. It’s true that serving hundreds of millions
of files is not easy, but at the end of the day, they are just files.

Financially, the plan is to keep renting servers until they cover the bandwidth.
I believe it can be self-sustainable if enough people subscribe to the support
plans.

If this project helps you save on your map hosting costs, please consider
subscribing to a support plan.


IS COMMERCIAL USAGE ALLOWED?

Yes.


HOW CAN I DONATE OR SUPPORT THIS PROJECT?

If this project helps you save on your map hosting costs, please subscribe to
one of our support plans here. Alternatively, sponsor us on GitHub Sponsors.

Silver Plan
$75/month
Subscribe
🗡️

🗽

🎷

🍴

🏆

🛰

💍

👑

On Gold level and above, we offer personalised technical support by email.
Otherwise, support is via GitHub Discussions.

If we ever receive a Diamond level supporter, we’ll put their logo on this page.

When subscribing to a support plan, you receive an invoice for each of your
payments.

Note: if you want to make a single donation, you can do this via GitHub
Sponsors. However, please understand that the nature of this project needs
recurring donations to cover the server costs.


WHAT IS THE TECH STACK?

There is no tile server running; only nginx serving a Btrfs image with 300
million hard-linked files. This was my idea; I haven’t read about anyone else
doing this in production, but it works really well. (You can read more about it
on GitHub.)

There is no cloud, just dedicated servers.

Special thanks go to Michael Barry for developing Planetiler. It made it
possible to generate the tiles in 5 hours instead of 5 weeks. The map schema is
OpenMapTiles.

The styles are forked and heavily modified.


ATTRIBUTION

Attribution is required. If you are using MapLibre, they are automatically
added, you have nothing to do.

If you are using alternative clients, or if you are using this in printed media
or video, you must add the following attribution:

OpenFreeMap © OpenMapTiles Data from OpenStreetMap

You do not need to display the OpenFreeMap part, but it is nice if you do.


LICENSE

The license of this project is MIT. Map data is from OpenStreetMap. The licenses
for included projects are listed in LICENSE.md.

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