Trusted By
We pioneered usage analytics for open source
Scarf adds privacy-conscious analytics to your open-source project to help you grow your business
41M
Uniques
94%
of Fortune 500
1.4M
Companies
Surfaced
Surfaced
OSS Events
10B
Understand which organizations are interacting with your open-source project
Monitor the health of your community
Track downloads of artifacts, packages, containers, docs, and binaries, anywhere on the internet
Improved targeting for marketing
Project observability improves your targeting and allows you to discover new companies for ABM campaigns
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Get Open Source Qualified Leads (OQLs) through Scarf
Identify potential customers hidden within your OSS users, creating a new category of leads, Open Source Qualified Leads (OQLs)
Reveal which companies are interacting with your open source project.
Discover how companies are using your open source, which versions, how often, and where.
Learn all the ways companies are interacting with your open source artifacts like documentation and package downloads.
Scarf data anywhere you need it
Connect your Scarf data with third-party platforms, empowering you to unlock the full potential of your open-source data across your entire user journey.
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FEATURED
What’s new?
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Blog
February 21, 2025
How We Use Scarf for Open Source Marketing
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Case Study
February 12, 2025
How RisingWave is Driving Open Source Growth with Scarf
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Blog
February 11, 2025
That 2024 wrap-up Scarf-up we sent you is accurate
Proudly partnering with organizations throughout the open source community
Approved External Service Provider of the Apache Software Foundation
Hear it from our customers
Oliver Gould
Co-Founder / CTO Buoyant
Scarf makes it easy to understand how quickly new versions of Linkerd are being adopted and which components are being deployed—data that the container registries have and don't share with us otherwise.
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Mark Fussell
CEO and founder of Diagrid, co-creator of Dapr
Today, we track over 36,000 users visiting the documentation. We can see those who are very actively engaged in the ongoing process. This helps us reach out to people in those organizations, effectively guiding our outreach process.
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Mo Firouz
Co-founder of Heroic Labs
It's much more popular than we thought. At this stage, we have about 9 million Docker downloads. By monitoring the SDK and game server downloads, we can understand the popularity of different SDKs and the specific uses of the game server, which we couldn't do before.
Dave Donahue
Head of Strategy, Unstructured
Outbound outreach to Open Source Qualified Leads saw 2x higher response rates as compared to our outreach campaigns without Scarf data.
Marc Scholten
Founder of Digitally Induced
It’s important for us to understand who is using [our OSS web framework] IHP. Before using Scarf we’ve mostly relied on the data set of existing customers. . . . It only took us a couple of minutes to integrate the Scarf Gateway.
Peer Richelsen
Co-CEO, Chairman
I wish I installed [Scarf] the day we launched our docker file.
Alexander Gallego
Founder & CEO, Redpanda Data
[We have] been using Scarf to understand how Redpanda is being adopted, and most importantly, how to prioritize engineering efforts for the product. Turns out the world loves Redpanda + Kubernetes more than we thought!
Cesar Talledo
Co-Founder of Nestybox (Acquired by Docker)
Scarf proved to be a valuable tool for Nestybox ... It’s one of the few tools that we used weekly and considered critical to better understand Nestybox’s users and potential customers.
Michael Shanks
Co-Founder & CEO at Budibase
The list of companies that surfaced from our data in Scarf was important for fundraising to show real-world usage. Showing that big companies were not only downloading Budibase but downloading every new version we released was huge.
Marc Scholten
Founder of Digitally Induced
It’s important for us to understand who is using [our OSS web framework] IHP. Before using Scarf we’ve mostly relied on the data set of existing customers. . . . It only took us a couple of minutes to integrate the Scarf Gateway.
Oliver Gould
Co-Founder / CTO Buoyant
Scarf Gateway is the missing admin dashboard for our container hosting, making it easy to understand how quickly new versions of Linkerd are being adopted and which components are being deployed—data that the container registries have and don't share with us otherwise.
Mark Fussell
CEO and founder of Diagrid, co-creator of Dapr
Today, we track over 36,000 users visiting the documentation. We can see those who are very actively engaged in the ongoing process. This helps us reach out to people in those organizations, effectively guiding our outreach process.
Mo Firouz
Co-founder of Heroic Labs
It's much more popular than we thought. At this stage, we have about 9 million Docker downloads. By monitoring the SDK and game server downloads, we can understand the popularity of different SDKs and the specific uses of the game server, which we couldn't do before.
Peer Richelsen
Co-CEO, Chairman
I wish I installed [Scarf] the day we launched our docker file.
Alexander Gallego
Founder & CEO, Redpanda Data
[We have] been using Scarf to understand how Redpanda is being adopted, and most importantly, how to prioritize engineering efforts for the product. Turns out the world loves Redpanda + Kubernetes more than we thought!
Cesar Talledo
Co-Founder of Nestybox (Acquired by Docker)
Scarf proved to be a valuable tool for Nestybox ... It’s one of the few tools that we used weekly and considered critical to better understand Nestybox’s users and potential customers.
Michael Shanks
Co-Founder & CEO at Budibase
The list of companies that surfaced from our data in Scarf was important for fundraising to show real-world usage. Showing that big companies were not only downloading Budibase but downloading every new version we released was huge.
Oliver Gould
Co-Founder / CTO Buoyant
Scarf Gateway is the missing admin dashboard for our container hosting, making it easy to understand how quickly new versions of Linkerd are being adopted and which components are being deployed—data that the container registries have and don't share with us otherwise.
Mark Fussell
CEO and founder of Diagrid, co-creator of Dapr
Today, we track over 36,000 users visiting the documentation. We can see those who are very actively engaged in the ongoing process. This helps us reach out to people in those organizations, effectively guiding our outreach process.
Mo Firouz
Co-founder of Heroic Labs
It's much more popular than we thought. At this stage, we have about 9 million Docker downloads. By monitoring the SDK and game server downloads, we can understand the popularity of different SDKs and the specific uses of the game server, which we couldn't do before.
Marc Scholten
Founder of Digitally Induced
It’s important for us to understand who is using [our OSS web framework] IHP. Before using Scarf we’ve mostly relied on the data set of existing customers. . . . It only took us a couple of minutes to integrate the Scarf Gateway.
Peer Richelsen
Co-CEO, Chairman
I wish I installed [Scarf] the day we launched our docker file.
Alexander Gallego
Founder & CEO, Redpanda Data
[We have] been using Scarf to understand how Redpanda is being adopted, and most importantly, how to prioritize engineering efforts for the product. Turns out the world loves Redpanda + Kubernetes more than we thought!
Cesar Talledo
Co-Founder of Nestybox (Acquired by Docker)
Scarf proved to be a valuable tool for Nestybox ... It’s one of the few tools that we used weekly and considered critical to better understand Nestybox’s users and potential customers.
Michael Shanks
Co-Founder & CEO at Budibase
The list of companies that surfaced from our data in Scarf was important for fundraising to show real-world usage. Showing that big companies were not only downloading Budibase but downloading every new version we released was huge.
