Scastie
The facts below are what the maker publishes about Scastie, checked and dated. Our editors have not written about it yet.
Plans and prices
From Scastie's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | No paid tiers or usage limits stated on the opened pages |
The facts
Each one read from Scastie's own pages, with the date it was checked.
What it does
- Audience
- Scala's official Getting Started page recommends Scastie in a browser for people who want to start experimenting with Scala right away.checked 11 Oct 2026
- Deployment options
- nonechecked 22 Sep 2026
- Embed customization
- Embedded snippets support light or dark themes, customizable CSS, and options such as worksheet mode, target type, Scala version, and sbt configuration.checked 11 Oct 2026
- Execution
- When code is evaluated, the browser sends its input to Scastie servers, where code runs in an isolated Java Virtual Machine and output is streamed back.checked 11 Oct 2026
- Integrations
- The privacy policy says Scastie uses GitHub login for authentication and avatars, Plausible for analytics, and Sentry for error monitoring.checked 11 Oct 2026
- Libraries
- Users can search the Scala ecosystem through an integrated Scaladex interface and include published Scala libraries.checked 11 Oct 2026
- Notable limits
- The README says setting Scala Native as an embed target type and setting the Scala.js version are not yet supported.checked 11 Oct 2026
- Privacy and logs
- The project's privacy policy says access logs include snippet ID, user IP address, and GitHub login, and are stored for one year.checked 11 Oct 2026
- Purpose
- Scastie is an interactive Scala playground described as sbt in your browser.checked 11 Oct 2026
- Scala versions and backends
- It supports any Scala version and alternate backends including Scala 3, Scala.js, Scala Native, and Typelevel Scala.checked 11 Oct 2026
- Security and data
- The privacy policy says stored data is encrypted, connections use SSL, and stored data is kept for up to one year after last access on servers at EPFL.checked 11 Oct 2026
- Sharing and embedding
- Users can share Scala programs and embed saved or generated snippets in websites and library guides.checked 11 Oct 2026
- Sharing controls
- public_onlychecked 22 Sep 2026
- Support
- The Scastie project README says it is supported by the Scala Center.checked 11 Oct 2026
- Worksheet mode
- Worksheet mode supports top-level expressions and displays each evaluated expression's value and type alongside the code.checked 11 Oct 2026
The company
- Founded
- 2017checked 19 Oct 2026
- Headquarters
- Lausanne, Switzerlandchecked 19 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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