For my needs, Joplin was a good open source alternative.
Between the two I went with Obsidian because, while the apps are closed-source, the data is accessible. All your notes are just stored in plaintext (with markdown) as simple files in a directory structure.
Joplin, in contrast, uses a SQLite database which adds a layer of complexity.
I switched to Obsidian not too long ago.
For my needs, Joplin was a good open source alternative.
Between the two I went with Obsidian because, while the apps are closed-source, the data is accessible. All your notes are just stored in plaintext (with markdown) as simple files in a directory structure.
Joplin, in contrast, uses a SQLite database which adds a layer of complexity.