Assuming you would like a list of 5 apps similar to SnipIT:

Evernote

Evernote is a cross-platform app designed for note taking, organizing, and archiving. It is developed by the Evernote Corporation, headquartered in Redwood City, California. The app allows users to create notes, which can be either text, drawings, photographs, or saved web content. Notes can be sorted into notebooks, and can be tagged, annotated, and given attachments. Evernote integrates with many third-party apps and devices. Evernote is an app that helps you take notes and organize your life. It’s great for students who need to keep track of their assignments and class notes.

OneNote

OneNote is a note-taking app from Microsoft. It is available on many platforms, including Windows, macOS, iOS, Android, and the web. OneNote lets you take notes, record audio, and draw sketches. You can also save web content, photos, and videos. OneNote is free, with premium features available for Office 365 subscribers.

Google Keep

Google Keep is a free note-taking app from Google. It is available on the web, and has Android and iOS apps. Google Keep lets you take notes, record audio, and add photos. You can also save web content and set reminders. Keep integrates with Google Docs, allowing you to add notes to your documents.

Bear

Bear is a note-taking app for macOS, iOS, and watchOS. It has a simple interface and supports Markdown. Bear lets you create notes, to-do lists, and write in Markdown. You can also add images, links, and attachments. Bear has a premium subscription that unlocks additional features, such as syncing across devices and exporting to PDF.

Simplenote

Simplenote is a cross-platform note-taking app with a focus on simplicity. It is available on Windows, macOS, Linux, iOS, Android, and the web. Simplenote lets you create notes, and add tags and attachments. You can also share notes with other Simplenote users. Simplenote has a premium subscription that unlocks additional features, such as syncing across devices and version history.