MyTetra is open source and cross platform personal manager for information accumulation. It is powerful program for data memorization and structuring notes.
Platforms
- Mac
- Windows
- Linux
- BSD
- MeeGo

NixNote is described as 'Formerly Nevernote, is an open source client for Evernote' and is a very popular Note-taking tool in the office & productivity category. There are more than 100 alternatives to NixNote for a variety of platforms, including Windows, Mac, iPhone, Web-based and Linux apps. The best NixNote alternative is Notesnook, which is both free and Open Source. Other great apps like NixNote are Zim, CherryTree, Trilium Notes and TagSpaces.
MyTetra is open source and cross platform personal manager for information accumulation. It is powerful program for data memorization and structuring notes.

"SimpleNotes" lets you create, edit and organize all your notes anytime, anywhere. Easy switching between Desktop and Mobile. You can share your notes with everyone you want. The Website is free to use and a Desktop and Mobile APP is also available.
myBase is a unique free-form database software that allows entry of unstructured text, webpages, images, documents, emails and even arbitrary files without regard to length or format. All information is automatically compressed and stored in the tree structured outline form.




P3X OneNote Linux is, actually, an independent browser window for the online OneNote. You can use this program without having to clutter your browser. The main functions are:

Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.



Extensive platform with Markdown editing, document linking, format conversion, task management, and focus-enhancing layout options. Supports Wiki and Zettelkasten functions.




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...



EagleFiler makes managing your information easy. It lets you archive and search mail, Web pages, PDF files, word processing documents, images, and more. Use it to collect information from a variety of sources. Browse different types of files using a standard three-pane interface.




End-to-encrypted, laser-focussed yet elegant editor. No registration, no login, no ads, no tracking, no hassle. Just write. In private or together with others.

MindForger is a modern, free, open-source, privacy-focused and performance-driven Markdown IDE for creating, editing, and managing all types of notes.



A simplified, RedNotebook-type journal/diary app. With a focus on minimal design and a distraction free writing environment. Makes a folder full of dated text files that are easy to access even without the journal program.

GloboNote is a free and easy to use desktop note taking application. It helps you to create to-do lists, reminders and other notes in one place. There is no limit in the number of sticky notes you can create.



