MyTetra is described as 'Is open source and cross platform personal manager for information accumulation. It is powerful program for data memorization and structuring notes' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to MyTetra for a variety of platforms, including Windows, Mac, Linux, Android and Web-based apps. The best MyTetra alternative is Notesnook, which is both free and Open Source. Other great apps like MyTetra are Zim, CherryTree, TiddlyWiki and Trilium Notes.
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.
A free and lightweight outliner, only 465KB in size. It allows you to store all your notes, emails, texts, hyperlinks, etc. into one or multiple plain-text databases. With the look and feel of the familiar Windows Explorer, editing, storing, browsing, searching, and retrieving...
Netherlands
EU
Quiver is a notebook built for programmers. It lets you easily mix text, code and Markdown within one note, edit code with an awesome code editor, live preview Markdown and LaTeX cells, and find any note instantly via the full-text search.
United States
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.
GermanyEU
OutWiker is designed to store notes in a tree. Such programs are called "outliner", personal wiki, or tree-like editors. OutWiker's main difference from the other similar programs is keeping the tree of notes in the form of directories on disk, and encouraging...
Russia
Collect your thoughts, think, write, brainstorm, and create the perfectly looking notes with this powerful, all-purpose, productivity tool.
Ukraine
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.
Allo is the online workspace for visual collaboration and teamwork for remote teams. With our interactive and visual workspace teams can collaborate over, notes, design, sketches, tasks, processes, and work.
United States
TiddlyWiki for Windows. A unique non-linear notebook for capturing, organising and sharing complex information. ATWiki is an independent project of TiddlyWiki.
This is the very useful tree-styled personal information manager. English, Russian, Spanish, Bulgarian, Ukrainian, German, Polish, French. You can use it every day as your assistant in your work and life. It always can be close to you - in system tray and ready to help. If you fo.
"VoodooPad is a place to write down your notes and thoughts. Plant ideas, images, lists and anything else you need to keep track of and VoodooPad will grow with you, without getting in the way. You can even drag and drop folders, images, applications, or URLs into VoodooPad...
Canada
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.
