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Procyon is personal note-keeping application. It is heavily inspired by Evernote and Microsoft OneNote and Google Keep but lacks the fatal flow of those :). It also lacks many of their abilities, of course, to be honest.

Procyon manages a set of text notes storing them in a single SQLite database. It doesn't use its own server, and to share the database between your machines, you are free to choose a favored sync service, e.g., Dropbox or Google Drive.

It supports syntax highlighting for some programming languages and custom highlighter for general working notes.

See Releases section for downloading binary package.

Main Window

Build and run

Clone the repo

git clone
cd procyon
git submodule init
git submodule update

Prepare dependencies

The project requires some third part dependecies. Follow these instructions to prepare them.

Build the project

# Linux\macOS

# Windows


Target file is bin/procyon (Linux), bin/ (MacOS), or bin\procyon.exe (Windows).