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Dataslope

dataslope.com

Free plan Web
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Spec score 7.7 #88 of 138 in Coding Playgrounds

Spec sheet

Purpose
Dataslope is a browser-based platform for learning programming and data skills and preparing for coding interviews.Read 8 Oct 2026 · dataslope.com
Free plan
YesRead 22 Sep 2026 · dataslope.com
Privacy
The privacy policy says Dataslope does not sell or rent stored account information and that guest use does not require personal information such as a name or email address.Read 8 Oct 2026 · dataslope.com
Support
The site directs users to GitHub discussions for questions and GitHub for bug reports.Read 8 Oct 2026 · dataslope.com
AI assistant
The optional Ask AI assistant sends a user's question and relevant page context to a third-party AI provider, and the privacy policy says conversations are not stored unless the user rates an answer.Read 8 Oct 2026 · dataslope.com
Challenges
The homepage lists more than 300 graded coding and SQL challenges and more than 650 in-lesson exercises.Read 8 Oct 2026 · dataslope.com
Courses
It offers 32 free browser-based courses with interactive code blocks.Read 8 Oct 2026 · dataslope.com
Deployment options
noneRead 22 Sep 2026 · dataslope.com
Execution
The privacy policy says languages and databases run locally in the browser through WebAssembly, and code and queries are processed on the user's machine.Read 8 Oct 2026 · dataslope.com
Full-stack runtime
NoRead 22 Sep 2026 · dataslope.com
Interview preparation
It offers six free role-based interview tracks for analyst, data, machine learning, and backend or software engineering roles.Read 8 Oct 2026 · dataslope.com
Languages and databases
The homepage lists Python, R, JavaScript, TypeScript, HTML, React, PHP, C, C++, Java, C#, PostgreSQL, SQLite, DuckDB, Git, and Bash as browser-supported environments.Read 8 Oct 2026 · dataslope.com
Plan availability
The terms say all memberships are currently free with no paid plan and that free account features may be restricted or removed based on capacity.Read 8 Oct 2026 · dataslope.com
Playground
Its in-browser SQL workbench lets users query, edit schemas, and explore sample databases.Read 8 Oct 2026 · dataslope.com
Private projects
YesRead 22 Sep 2026 · dataslope.com
Real-time collaboration
NoRead 22 Sep 2026 · dataslope.com
Sharing
Playground sharing creates a link to a snapshot that recipients can open as their own private copy; guest links expire after 30 days.Read 8 Oct 2026 · dataslope.com
Sharing controls
link_accessRead 22 Sep 2026 · dataslope.com
Sign-in
Guests can use courses, playgrounds, and quizzes without an account; optional accounts can be created with Google, GitHub, or email and password.Read 8 Oct 2026 · dataslope.com

Plans and prices

Guest Free No trial period; no expiry No account needed · Full access to courses · Full access to interview prep · Full access to playgrounds · Unlimited code executions · Local browser saves Read 22 Sep 2026 · dataslope.com
Free Member Free Cloud saves and shared playgrounds are subject to inactivity cleanup 100 MB cloud storage · 10 Ask AI messages per 24 hours Read 22 Sep 2026 · dataslope.com
Free Member Free Free forever Everything in Guest · 100 MB cloud storage across playgrounds · Cloud saves and shared playgrounds may be deleted after a month of inactivity · Up to 10 Ask AI messages per rolling 24 hours Read 8 Oct 2026 · dataslope.com
Guest Free No account needed · Full access to courses, interview prep, and playgrounds · Unlimited code executions · Local browser saves only · No cloud storage · Share links expire after 30 days · No Ask AI messages Read 8 Oct 2026 · dataslope.com

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