Equil Note is described as 'Save and organize written notes. Edit, enhance, and share them with friends and colleagues. Convert your handwriting to text for easy editing and sharing' and is a Note-taking Tool in the Office & Productivity category. There are more than 100 alternatives to Equil Note for a variety of platforms, including Windows, Mac, iPhone, Online / Web-based and Android. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Microsoft OneNote. Other great apps like Equil Note are Google Keep (Free), Evernote (Freemium), Simplenote (Free, Open Source) and CherryTree (Free, Open Source).
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.