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Platform
A reading experience designed for depth.
Nimbusisalocal-firstebookreaderbuiltforseriousreaders.Noclouddependencies.Notracking.Justyourbooks,yourannotations,andaclean,distraction-freeenvironmentdesignedforlong-formreading.
Capabilities
Your library lives on your device. No internet required to read.
Import EPUBs and other formats seamlessly. Original files preserved.
Find passages by meaning, not just keywords, with on-device AI embeddings.
Pre-computed page layouts for e-ink devices — no waiting, no reflow delays.
Highlights, notes, and bookmarks that sync across your devices when you choose.
Variable font support, incremental font loading, and precise text rendering.
Approach
Privacybydesign—Nocloudaccountrequired.Noreadingdataleavesyourdeviceunlessyouenablesync.
Offline-capableAI—Embeddingsandsearchrunlocally.
Future-proofformat—Builtonopenstandards.
In active development. Early builds available for macOS and Linux.
Work with us
Let'sbuildsomethingmeaningfultogether.