JoplinKeep searchable notes, attachments and notebooks locally, with optional encrypted sync.
Free open-source apps · no note-count cap · storage limited by your device or chosen sync provider
Personal knowledge bases
Free alternatives to Obsidian
Find a free app for the parts of Obsidian you actually use.
Compare the free allowance and limitations on each app’s page. These are workflow alternatives, rather than identical copies.
Free options
Suggest an alternative →Joplin
Trilium NotesOrganise a personal wiki with nested notes, links, attachments and searchable reference material.
Free open-source desktop app · no feature paywalls · optional server uses your own resources
SiYuanKeep linked notes and structured personal knowledge in a local workspace.
Free local notes and basic features · sync features are paid
ZettlrWrite and organise Markdown documents, research notes and longer manuscripts.
Free open-source desktop editor · local files · no document quota