Apps similar to Spiral include Anytype, which has a free version. Other options are Zettlr, Zim, Xournal++ and CherryTree. You're spoiled for choice with Note-taking Tools like Spiral: we list more than 100 alternatives for Windows, Mac, Android, Linux and iPhone.
Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.
Austria
EU
Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.
GermanyEU
BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.
United Kingdom
An award-winning cloud-based Project Management software aims to help collaborative teams organize and manage from small enterprise projects to large-scale initiatives.
Taiwan
Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.
United States
OpenBoard is a cross-platform (Linux / Windows / macOS) interactive whiteboard application. It is currently maintained by the Education Department (DIP) of the Canton of Geneva in Switzerland.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.
GermanyEU
Flexible note-taking and writing tool featuring advanced markdown with in-line images, cross-note links, live preview, hashtags, Focus Mode, plain text storage, iCloud sync, one-tap formatting, smart data recognition, and multiple export formats for portability.
ItalyEU
Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.
UpNote is an elegant and powerful note app that works seamlessly across platforms: iOS, Android, Mac and Windows.
Vietnam
Tomboy is a desktop note-taking application for Linux, Unix, Windows, and Mac OS X. Simple and easy to use, but with potential to help you organize the ideas and information you deal with every day.
United States
