Best alternatives to SpacebarX in 2026

If you've ever felt like your notes app, your to-do list, and your project tracker are three different apps that don't talk to each other, SpacebarX's pitch is to fold all of that into one long, nested outline — a single home view where every folder, document, and task lives as an item you can zoom into, reorder, or turn into a task with a due date, all navigable with the keyboard the way power users navigate a code editor rather than clicking around a mouse-driven app. Under the hood, it's built local-first: your data lives in the browser and syncs through a cloud folder you control (rather than a company's server being the source of truth), and it's designed to stay instant even with a million items in the outline. When a straight nested list isn't the right lens, you can switch to Board, Table, Mind Map, or Calendar views over the same underlying data. It ships today as an installable PWA, with native desktop and mobile apps described as still in progress, and it can import existing outlines from Workflowy, Dynalist, Obsidian, and Logseq via OPML so switching over doesn't mean starting from zero.