You searched a paid product
Evernote does 2 jobs: notes, sync across devices. Most projects replace one or two of them, so pick the job you actually need.
Open-source alternatives to Evernote that run locally, allow commercial use and need no paid API include Trilium Notes (notes and sync across devices; AGPL-3.0). Joplin and Trilium Notes cover all 2 Evernote jobs.
Markdown note-taking app with notebooks, web clipper and end-to-end encrypted sync via Nextcloud, Dropbox, OneDrive, WebDAV, S3 or Joplin Cloud.
Privacy-first personal knowledge base with block-level references, Markdown WYSIWYG editing, database table views and Docker hosting.
Hierarchical note-taking app for large personal knowledge bases, with scripting, encryption and sync to a self-hosted server.
No project meets all of your requirements. The list below shows what you'd need to relax.
We hid them because something is missing, unknown or conflicting. Here's what.
Yes. Joplin, Trilium Notes and SiYuan are free to download and run on your own computer without paid API keys. Joplin and Trilium Notes cover every job we list for Evernote; the other covers only part of it, so check which job you need.
Yes, with Joplin (AGPL-3.0-or-later), SiYuan (AGPL-3.0) and Trilium Notes (AGPL-3.0). Check the hardware notes and licence conditions on each page before you start.
Yes, with Joplin (AGPL-3.0-or-later) and Trilium Notes (AGPL-3.0). Check the hardware notes and licence conditions on each page before you start.
Confirmed: SiYuan and Trilium Notes. With conditions: Joplin. This is not legal advice; read each licence.
Joplin and Trilium Notes cover every job we list for Evernote.