L
ZoeSkoul
Sandbox
Visual • Practice • Progress
Sandbox
Choose your workspace
Pick a mode and start experimenting. One route:
/sandbox/[sandboxSlug]
.
Light mode
No last selection yet
Continue
Programming Sandbox
All languages
Run code, test ideas, and practice in one place (Python, Java, JS, C/C++…).
Python
Java
JavaScript
C
C++
SQL Playground
Query mode
Write queries, learn joins/aggregations, and test answers against datasets.
SELECT
JOIN
GROUP BY
Views
Linear Algebra Lab
Interactive
Interactive vectors, matrices, transforms, and geometry sketches + practice.
Vectors
Matrices
Transforms
More Tools
Expandable
Extra sandboxes you’ll add over time: regex, stats, networking, notebooks, etc.
Coming soon
Extensible