You should look into Zotero. Syncs to WebDAV and Git. Enables snagging text, video, pdf, images. Has exporters to common bibliography managers. Really amazi

You should look into Zotero. Syncs to WebDAV and Git. Enables snagging text, video, pdf, images. Has exporters to common bibliography managers. Really amazing and not tied to any particular operating system(). Disclaimer: I use it exclusively on Linux but there are iOS clients https://www.zotero.org/support/mobile https://www.zotero.org/support/mobile