Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- RemoteStorage

Sec Notes is described as 'An android app for writing and storing AES-128 encrypted notes. Supports notes, checklists and even spreadsheets. It is the only app in play store offering multiple security options like password protection, pattern lock and pin lock' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to Sec Notes for a variety of platforms, including Windows, Mac, Android, Linux and Web-based apps. The best Sec Notes alternative is Zim, which is both free and Open Source. Other great apps like Sec Notes are TagSpaces, CherryTree, Trilium Notes and Cryptee.

Hackable SQLite-based tagging, any file format, with scripts and C# plugins, powerful search query language, 100k+ files managed with ease.

MemoMaster is a free outliner software to create, administer and reference texts and calculations in the familiar tree structure. It enables intuitive searching, browsing, and organization of information.




Flashnote is a quick notes manager created for such cases. When you need a rough copy to save or to process some pieces of a text, Flashnote is small, quick and convenient. Press the shortcut-key combination and a rough copy is on the screen in a flash of a second.

A modern note-taking, list-making and writing app with markdown rich-text editing, powerful customization, a beautiful interface, a dark theme, and much more.




Growly Notes is a note-taking app somewhat like Microsoft OneNote . Gather text, images, links and anything else you can think of in free-form pages organized into sections.



TakeNote was made by developers for developers - a simple, plain-text note-taking app for the web with Markdown support. What you see is what you paste. No WYSIWIG, no formatting pasted from the web, and no features you don't need or want.




Noto is a modern writing app. With delightful interactions, powerful editing tools, and a beautiful design, Noto helps you capture the best of your everyday life.




Spiral is a program that allows users to take notes in a format similar to a spiral notebook. Unlike traditional word processors and text editors that are configured in a way that makes it difficult to document things in a non-linear fashion, Spiral pages allow users to click...



Curio is an innovative and visual application for brainstorming, notetaking, and project management.



Tracks is a web-based application to help you implement David Allen’s Getting Things Done™ methodology. It was built using Ruby on Rails, and comes with a built-in webserver (WEBrick), so that you can run it on your own computer if you like.



