Calibre
by Kovid Goyal
Sign up to see Company Intelligence
Sign Up FreeCalibre is a python app (v9.13.0) that uses 52 detected dependencies across 12 categories including Internationalization, Platform Binding, I/O. It is code-signed and notarized. 1651 MB on macOS (Universal (Apple Silicon + Intel)). Last updated August 7, 2026. Last verified August 2026.
What is Calibre built with?
52 detected dependencies across 12 categories.
Internationalization
1Sign up to see Internationalization details
Sign Up FreePlatform Binding
1Sign up to see Platform Binding details
Sign Up FreeI/O
1Sign up to see I/O details
Sign Up FreeParser
1Sign up to see Parser details
Sign Up FreeMedia
2Sign up to see Media details
Sign Up FreeCryptography
1Sign up to see Cryptography details
Sign Up FreeSerialization
1Sign up to see Serialization details
Sign Up FreeCompression
2Sign up to see Compression details
Sign Up FreeMachine Learning
2Sign up to see Machine Learning details
Sign Up FreeUI Framework
1Sign up to see UI Framework details
Sign Up FreeDatabase
1Sign up to see Database details
Sign Up FreeOther
43Sign up to see Other details
Sign Up FreeDot shows detection confidence; hover a technology for its evidence source. Higher confidence means a stronger extraction signal (e.g. a manifest entry vs. a binary string match).
Analyzed binary
SHA-256 of the exact binary Calibre was analyzed from.
b5d9e3cdc45172cd4e31c35f57e6abfb25a83297703cd5417d1dd258ab049af9Security and privacy
Code signing, notarization, and entitlement analysis for Calibre.
Code Signing
ExcellentDeveloper ID Application: Kovid Goyal (NTY7FVCEKP)
Sign up to see Entitlements
Sign Up FreeHow popular is Calibre?
Popularity ranking based on install counts, store ratings, and community signals.
Sign up to see Detailed Popularity Data
Sign Up FreeWhen was Calibre last updated?
20 tracked releases since November 2025.
Sign up to see Release History
Sign Up FreeLast verified August 7, 2026