Obsidian.net - Obsidian is an Action-Adventure, First-person Exploration, Puzzle and Single-player video game created and published by Rocket Science.
Dendron - Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Polar Habits - Guilt-free habit tracking 🐻❄️
Ultimate Brain for Notion - The Ultimate Second-Brain Notion Template
Any.DO - The #1 task management app used by over 11 million people globally, Any.do is your free mobile and online task manager for Android, iPhone, Web and more.