Best Scastie Alternatives in 2026
Taken from Coding playgrounds, where Scastie is listed too, in the same order.
- 1
9.1 Club scoreReplit
Replit is a software creation platform where people can build applications using natural-language prompts and an AI agent.
- Free plan
- Windows · macOS · Linux · Web
- 2
8.7 Club scorePlaycode
Playcode combines an AI builder for websites and apps with Playcode Cloud hosting for full-stack projects.
- Free plan
- Windows · macOS · Linux · Web
- 3 8.7 Club score
Paperspace Gradient
Paperspace Gradient is a machine learning platform for developing, tracking, and collaborating on models.
- Free plan
- Open source
- Windows · macOS · Linux · Web
- 4
8.6 Club scoreJupyterLab
JupyterLab is a free, web-based environment for interactive work with notebooks, code, and data.
- Free plan
- Open source
- Windows · macOS · Linux · Web
- 5 8.6 Club score
GitHub Codespaces
GitHub Codespaces provides cloud development environments hosted by GitHub and configured for a repository.
- Free plan
- Windows · macOS · Linux · Web
- 6 8.5 Club score
Arduino Cloud Editor
Arduino Cloud Editor is a browser-based tool for reading, editing, and verifying code for Arduino Cloud projects, including projects created through Arduino Cloud.
- Free plan
- Windows · macOS · Linux · Web
- 7 8.5 Club score
Lightning AI Studios
Lightning AI Studios is a persistent GPU cloud workspace for training models, running inference, building agents and AI apps, and coding collaboratively.
- Free plan
- Windows · macOS · Linux · Web
- 8
8.5 Club scoreDaytona
Daytona provides a secure, elastic runtime for executing AI-generated code and agent workflows.
- Free plan
- Windows · macOS · Linux · Web
- 9
8.4 Club scoreCoder
Coder is a self-hosted platform for running AI coding agents and cloud development environments on infrastructure controlled by the customer.
- Free plan
- Open source
- Windows · macOS · Linux · Web
- 10 8.4 Club score
JupyterLite
- Free plan
- Windows · macOS · Linux · Web
- 11
8.3 Club scoreDatalore
Datalore is a collaborative data science platform for exploring, analyzing, visualizing, and sharing data.
- Free plan
- Linux · Web · API · Self-hosted
- 12 8.3 Club score
MATLAB Grader
MATLAB Grader lets instructors create interactive MATLAB coding assignments and automatically assess student work for formative assessments, quizzes, and exams.
- Free plan
- Windows · macOS · Linux · Web
- 13 8.3 Club score
Codeground AI
- Free plan
- Windows · macOS · Linux · Web
- 14
8.3 Club scoremarimo
marimo is an open-source reactive Python notebook for data work, reproducible experiments, and building apps.
- Free plan
- Windows · macOS · Linux · Web
- 15 8.2 Club score
Deepnote
Deepnote is an AI workspace for data analysis, exploration, and machine learning.
- Free plan
- Windows · macOS · Linux · Web
- 16 8.2 Club score
REMOSSH
- Free plan
- Windows · macOS · Linux · Web
- 17 8.2 Club score
Tencent Cloud Cloud Studio
Tencent Cloud Cloud Studio is a browser-based platform for coding, learning, collaboration, and AI-assisted training.
- Free plan
- Windows · macOS · Linux · Web
- 18 8.2 Club score
PaizaCloud Cloud IDE
PaizaCloud Cloud IDE is a browser-based development environment that provides an editor, web server, database server, and terminal in a cloud workspace.
- Free plan
- Windows · macOS · Linux · Web
- 19 8.2 Club score
Scratch
Scratch is a programming platform for making interactive stories, games, and animations, then sharing those projects with its online community.
- Free plan
- Windows · macOS · Web · Android
- 20
8.2 Club scoreStackBlitz
StackBlitz is a browser-based full-stack IDE for JavaScript development.
- Free plan
- Web · iPhone and iPad · Android · Browser extension