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buildex.dev: is it still online? | SaaS Outpost

December 2025 cohort / Education

buildex.dev

Online

Helps people practice system design interviews through interactive challenges and AI feedback on architecture designs.

Status: Onlinesince Nov 5, 2026
First launched: Dec 27, 2025
Category: Education
Type: SaaS
Pricing: Not tracked yet
Domain: buildex.dev

History

Launched
Dec 27, 2025 · Launch announcement
Online
Nov 5, 2026 · online
Last checked Nov 5, 2026

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Pricing history

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