Raindrop.io - All your articles, photos, video & content from web & apps in one place.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
start.me - A Modern-day bookmark manager. A place for your favorites. A news feed (RSS) reader. A browser startpage. A portal for your team.
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
Pocket - When you find something you want to view later, put it in Pocket.
TiddlyWiki - a non-linear personal web notebook