Side by side
onHTML vs Scastie
Both stand on coding playgrounds. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
onHTML combines a front-end playground with a broad set of browser utilities. Its free, unlimited editor and no-signup access fit quick coding and sharing tasks.
Visit onHTML Free plan Web
Scastie offers a broad Scala experimentation environment without installation, plus sharing and embedding tools. Its public-only sharing and noted embed limitations matter when publishing or integrating examples.
Visit ScastieThe facts
| onHTML | Scastie | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Scastie |
| Website | onhtml.com | scastie.scala-lang.org |
| On coding playgrounds | #112 of 138 | #108 of 138 |
onHTML: what it does well
- Live preview for HTML, CSS, and JavaScript
- More than 50 built-in developer tools
- No account or installation required
- Automatic saving and one-click sharing
- Browser processing keeps data on the device
What to know first
- Web platform only
- No free trial is listed
- Not a full-stack runtime
Scastie: what it does well
- Supports multiple Scala versions and backends
- Integrated Scaladex library search
- Worksheet mode shows values and types
- Embeds allow themes and custom CSS
- Free plan has no stated usage limits
What to know first
- Sharing controls are public-only
- No deployment options are provided
- Scala Native embeds are not yet supported
- Scala.js version setting is unsupported
Alternatives to onHTML Alternatives to Scastie The whole list