obsidian remembers. nenspace remembers and thinks.
obsidian is the finest plain-text knowledge base there is, and it is a filing cabinet. it stores your notes beautifully, keeps them yours, and never thinks about them. nenspace is an obsidian alternative that keeps the note and adds the mind: a calm space to write in, plus nen, a model that reads what you wrote and thinks alongside you.
obsidian is the best answer to a real question: where do my words live, and can they stay mine? local markdown files on your own machine. plain text that will still open in forty years. a graph view and backlinks that make connections visible. a plugin ecosystem that turns the editor into almost anything, and a community that has thought harder about note-taking than anyone. if you want a vault you own outright, obsidian is the best there is, and it is a vault.
the honest part: nothing above is wrong. obsidian does exactly what it promises. the limits aren't bugs. they're the category.
a mind does two things. it remembers, and it thinks. obsidian remembers, brilliantly, one drawer of it. but a note in obsidian never speaks. nothing ever reads what you wrote and hands it back differently. the connections you'd want to draw, you draw by hand. the insight hiding across three notes and three months, no one names it for you. you are the courier, the indexer, and the hippocampus.
this isn't obsidian's failure. it's the whole category's design. everyone who built a “second brain” built the memory and called it the whole mind. they built half a brain, and they built it well. nenspace keeps that half, notes that stay yours, and adds the other: a model that reads them and thinks with you.
you'll like nenspace if you love obsidian's plain-text ethos but have watched the vault turn into an archive. if you capture far more than you consolidate, and the graph has grown past the point where you actually return to it. if you want your notes to push back, a thought you wrote down a month ago, handed back to you when it's relevant, questioned rather than echoed. if you're a writer, a researcher, a founder, or just someone who thinks best in sentences, and wants the sentence to answer.
you'll prefer obsidian if you want a tool that never has an opinion. if your system is already finished and you enjoy the filing itself. if the last thing you want from your notes is for them to talk back. obsidian is a brilliant instrument. it just isn't a mind.
for most people, yes. if what you use obsidian for is a calm place to write things down and think, nenspace covers that and adds a model that reads what you wrote and thinks with you. if what you need is local plain-text files and a graph view, obsidian is the one that does that. nenspace is not a drop-in replacement for that specific setup.
obsidian remembers. nenspace remembers and thinks. obsidian stores your notes and leaves the connecting, the returning, and the insight to you. nenspace keeps the notes in one calm space and adds nen, a model that reads them, notices what recurs, and questions what you wrote, then hands the thinking back rather than doing it for you.
no, nenspace isn't built around a graph view or a plugin ecosystem, and it doesn't try to be. what it shares with obsidian is the deeper aim: making connections in your thinking visible and useful. nenspace does that with ask nen: you question your own notes and logbook, and the model reads across them, rather than a map you maintain by hand.
switch if you want your notes to work back, to be read, questioned, and returned to you at the right moment. stay if your vault is a finished, beloved system and the filing itself is part of the pleasure. they're different instruments: obsidian is a vault you keep, nenspace is a mind you live in. plenty of people will use both.
yes, free to start with no card required. the daily model and the room around it, notes, habits, tasks, and logbook, are free. pro is $13 a month or $129 a year for far more usage, deep research, and image, pdf, and file input.
your own mind, made larger.