Open Citadel

Your Self-development Companion

12 followers

Your Self-development Companion

12 followers

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Knowledge base software

Open Citadel helps you reflect on what you learn, connect the ideas that shape you, and turn knowledge into growth. Your personal library, reader, and self-development companion.

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Open Citadel

Launch date

Open CitadelRead it. Live it. Become it.

Launched on September 29th, 2026

Open CitadelYour Self-development Companion

Launched on August 7th, 2026