neutriNote CE

neutriNote in a nutshell: all-in-one preservation of written thoughts, be those text, math (LaTeX), rich markdown, drawings, etc., in fully searchable plain text (universal UTF-8).

• Uncluttered UI: Fine-tuned user interface elements to reduce app switching. Accessible search filters for precise navigation to your note contents with minimum taps.
• Customization: Your workflow can be further automated by Tasker, Barcode Scanner, ColorDict, and other add-ons, or by connecting neutriNote's repository to web-based services. Options available to deep configure your note taking process.
• Backup: Multiple ways to backup your notes. Freedom to pick a cloud backend that works for you: open source P2P Syncthing, Dropbox, or third party Google Drive, Box, OneDrive components.
• Cost: Totally free. No hidden permission (see below). Optional add-ons can be purchased to support its development.

App Permissions Explained:

• Location access for location based search, location stamps, etc.
• Camera access for built-in barcode scanner.
• Storage access for core functions.
• Permission required by Sony devices to avoid crashes on certain models
• Permission to access network as MathJax is used for math rendering. MathJax will be cached for offline rendering later.
• Permission to receive boot completion for Tasker to schedule backup requests on legacy devices (pre-Android 8.0). It has no effect on devices running later versions of Android.

1. and 2. can be denied/revoked as needed either from Settings or via Marshmallow's runtime permissions.

GitHub: https://github.com/appml/neutrinote