Sidenote App has been discontinued. Similar apps include CherryTree, which is free and open source. Other options are Cryptee, Tomboy, Zoho Notebook and Milanote. There's no shortage of Note-taking Tools like Sidenote App, with more than 25 alternatives for Windows, Android, Mac, iPhone and Linux.
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
Estonia
EU
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
Web-based tool for integrating text, images, audio, and video with syncing across devices, real-time collaboration, handwriting input, AI-powered summaries, checklists, scanning, reminders, search in handwritten notes, and advanced organization.
India
Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.
United Kingdom
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.
United States
WizNote is a Note software, which is especially designed for Internet users and mobile Internet users. WizNote focuses more on notes of rapid collection, management, reading and sharing. WizNote is smaller, more stable, and more suitable for computers, phones and mobile devices.
China
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.
Ukraine
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.
Never forget another brilliant idea. Log, organize and track your ideas and more with the Idea Notebook.
Take simple text notes. You can put them into folders to create your own quick, easy and robust file structure.
MixNote is a mobile note taking app, like a memo pad or notepad. Take note of every deserved thing, with text, ToDo, voice and picture.
China
