Top 6 Open-Source Alternatives to Jarnal

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, tagged and modified either from the applications directly or from your own text editor.

The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.

Seamless project management and collaboration for your team.

Trilium Notes is a hierarchical note taking application.

Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.

Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.