Roughbook is described as 'RoughBook is an online note-taking chrome extension. It is a productivity tool that helps in quickly capturing important information and set reminders. A productivity tool to quickly capture, organize and share important notes' and is a Note-taking Tool in the Office & Productivity category. There are more than 100 alternatives to Roughbook for a variety of platforms, including Windows, Mac, Android, iPhone and Online / Web-based. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Google Keep. Other great apps like Roughbook are Notion (Free Personal), Microsoft OneNote (Freemium), Evernote (Freemium) and Simplenote (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.
Zettlr is a supercharged markdown editor that combines many writing editor features and collect them in one application. It aims at speeding up your workflow and help you write without any interruptions.