InstaNotes is described as 'Online tool for creating and sharing notes using widgets: image, text, header, card' and is an website in the Office & Productivity category. There are more than 100 alternatives to InstaNotes, not only websites but also apps for a variety of platforms, including Windows, Android, Mac and iPhone. The best alternative is Joplin, which is both free and Open Source. Other great sites and apps similar to InstaNotes are Standard Notes (Freemium, Open Source), Google Keep (Free), Evernote (Freemium) and CherryTree (Free, Open Source).
RedNotebook is a graphical diary and journal helping you keep track of notes and thoughts. It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries.
The notes app for creative work. For the research, thinking and planning behind your next great piece of work. # Collect your thoughts Milanote is a place to put it all together. See your ideas, notes and research side by side.
NixNote, formerly Nevernote, is an open source client for Evernote . It is written in Java so it will also run on Windows & OS-X, but the primary focus has been to try and get a usable environment for Linux.