Credits & Open-Source Licenses
Callipso is built on the shoulders of exceptional open-source projects. We're grateful to every contributor whose work makes this possible.
Speech Recognition
The models and runtime that power Callipso's on-device voice transcription.
State-of-the-art automatic speech recognition model. Callipso uses this for on-device voice transcription.
CoreML-optimized conversion of the Parakeet model for Apple Neural Engine acceleration.
Swift SDK for frontier CoreML audio models — speech-to-text, voice activity detection, and speaker diarization.
Learning Content & Data
Open datasets that power Sapio's learning features and its 3D knowledge atlas.
An open, connected graph of learning — 1,590 micro-topics wired by 3,221 prerequisite dependencies across 8 subjects. Callipso’s Sapio uses it as the model and scaffold for its 3D knowledge atlas. Marble Skill Taxonomy (v1) · © Generative Spark, Inc. (Marble) · https://withmarble.com · licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content).
Infrastructure
Core frameworks and libraries used in the desktop app.
Services & SDKs
Third-party services integrated into Callipso.
Website
Technologies powering callipso.dev.
This page lists the primary open-source dependencies. Callipso also uses numerous transitive dependencies — their licenses are included in the application bundle. A machine-readable NOTICES file ships inside every Callipso release. If you believe any attribution is missing or incorrect, please contact support@callipso.dev.