There are so many out there, a few that I came across include:
- Wallabag ( GitHub, Website): Older, long history, somewhat clunky now?
- LinkWarden (Website): Focus on multi user and teams?
- Raindrop.io (Website)
- Omnivore (Website)
- Hoarder (GitHub)
- Shiori (Article)
- Readeck (Website)
Having a giant comparison table for this might be nice
Firefox; easy to sync, easy to access, easy to search through.
I wish they would finally finish that rewrite in Rust so that it can be properly self-hosted again. The old Python2.7 version is a security nightmare.