freecodexapps.
← Back to the collection
LearningSource link availablePricing unverified

Whetstone Python coding exercises with executable checks

Explore a different way to prepare coding practice. Whetstone pairs generated Python exercises with reference solutions and tests, then records which candidates pass or fail in a reviewable log. Available as a source project.

Created by Weisley Dan Ouma

Built with Codex · GPT-5.6

0net votes

Was this build worth discovering? Vote without signing in.

View repository ↗

Pricing unverified

The cost of using this project has not been verified. Check the creator’s app for current terms.

Source checked September 22, 2026

Creator Devpost submission and linked repository explicitly describe building the core exercise generation and checking workflow with Codex and GPT-5.6.

KEEP EXPLORING

More builds like this

Start with similar ideas, then find something unexpected.

Explore Learning →
CONTROL ROOM coding-agent supervision training simulator — app previewApp preview
LearningDemo

CONTROL ROOM coding-agent supervision training simulator

Practice supervising a coding-agent workflow through a synthetic software incident. CONTROL ROOM's no-account Trial Mode lets you brief a read-only investigator, review file, test and log evidence, and decide whether a separate builder may proceed before independent verification. The public demo is a deterministic replay, not a live model run. Real Mode needs the local companion and a clean Git repository.

ramen protokol
Explore this build
0net votes
Outside the Box nighttime thought capture and morning review — app previewApp preview
ProductivityDemo

Outside the Box nighttime thought capture and morning review

Save a late-night idea in a dark, minimal interface, then revisit it in a morning view. Outside the Box preserves the original note alongside a clearer title, summary and one next step. A fictional pantry-app idea produced an organized result that survived a refresh. This web prototype stays open on screen; it does not replace your phone lock screen.

Sachithra Sayuranga Jayasinghe
Explore this build
0net votes
ADD TO THE COLLECTION

Made something?
Found something?

Share the original post. A working app link is optional.
Every submission is reviewed before it appears here.

No account needed. Please only submit public links and information you are happy to have published. Availability is checked during review.