Obsidian builds a second brain from linked notes. Lettera gives you a quiet desk and a blank page. One organizes what you know. The other helps you write what you don't know yet.
If you're a writer looking at both Obsidian and Lettera, you're probably someone who cares about tools — not for their own sake, but because the right tool changes how you think. These two applications share a philosophy (local files, no accounts, own your data) but point it in completely different directions.
Obsidian is a knowledge management tool built on local Markdown files. Its power comes from linking — backlinks, graph views, tags, queries, and a plugin ecosystem that can turn it into almost anything. Writers use it for research, world-building, character bibles, and sometimes for drafting. It's a workshop full of tools.
Lettera is a writing application with typewriter-style mechanics. The cursor follows a carriage. The page has paper texture. There's a mode where backspace strikes through instead of deleting. It manages chapters, tracks your daily writing goals, and keeps notes in a Drawer. It is a desk with good light and nothing else on it.
| Lettera | Obsidian | |
|---|---|---|
| Price | $29 (14-day free trial) | Free for personal use |
| Platforms | macOS, Windows | macOS, Windows, Linux, iOS, Android |
| Local files | ✓ | ✓ |
| Account required | No | No (optional for sync) |
| Typewriter carriage | ✓ | — |
| No-delete mode | ✓ (Purist Mode) | — |
| Paper textures | ✓ | — (themes available) |
| Backlinks / graph view | — | ✓ |
| Plugin ecosystem | — | ✓ (1,500+ plugins) |
| Chapter management | ✓ | Via folders or plugins |
| Daily writing goals | ✓ (Paper Trail) | Via plugins |
| Per-chapter notes | ✓ (the Drawer) | Via linked notes |
| Markdown native | Exports to Markdown | ✓ |
| Learning curve | Minutes | Hours to weeks (depending on setup) |
| AI writing features | No. The words are yours. | Via community plugins (optional) |
If your writing process involves heavy research, world-building, or connecting ideas across hundreds of notes, Obsidian is built for exactly that. The graph view lets you see how your notes relate to each other in ways you might not have expected. Backlinks create a web of connections that grows more useful the more you write. For novelists with sprawling universes, academics cross-referencing sources, or non-fiction writers managing large bodies of research, Obsidian's linking system is genuinely powerful.
The plugin ecosystem is also extraordinary. You can add word count goals, Kanban boards, daily notes, templates, Dataview queries, timeline visualizations — whatever your workflow needs. Obsidian is also available on every platform, including mobile, with optional paid sync across devices.
Obsidian can be configured into a writing environment, but it takes work — the right theme, the right plugins, the right settings. And even then, the act of typing in Obsidian feels like typing in a Markdown editor, because that's what it is. The writing experience isn't the point of the tool. The connections between notes are the point.
Lettera starts from the other direction entirely. The writing experience is everything. The carriage movement gives each line a rhythm. The paper textures make the screen feel less like a screen. Purist Mode stops you from editing as you draft — backspace strikes through, and the words stay on the page. Paper Trail turns your writing habit into a visible calendar. None of these things require configuration or plugins. You open Lettera and the environment is already built for you.
If you've spent more time configuring your Obsidian vault than writing in it, that's not a character flaw. It might just mean the tool's strengths are pulling you away from the work you sat down to do.
One more difference worth noting: Obsidian's plugin ecosystem includes AI tools — text generators, summarizers, chat interfaces to LLMs. Lettera has no AI. The page doesn't offer to write for you. For writers who want a tool that stays out of the way and lets the words be entirely theirs, that absence is the point.
Knowledge is a graph. The more connections you make between ideas, the richer your understanding becomes. Linking is thinking. The tool should be infinitely configurable.
Writing is a physical act. The page should have texture, the cursor should have momentum, and sometimes the best thing a tool can do is stop you from going backward. Feeling is thinking.
Obsidian asks: how does this idea connect to your other ideas? Lettera asks: are you going to write today or aren't you? Both questions deserve an honest answer.
Naturally. And this pairing makes a lot of sense for writers who do serious research. Use Obsidian as your workshop — research notes, character profiles, timelines, world-building, the connective tissue of your project. When it's time to actually draft, open Lettera. The carriage. The paper. Purist Mode. Write forward, without the temptation to click into your research vault and reorganize your tags instead. When the chapter is done, export to Markdown and link it back into Obsidian if you like. The vault holds the thinking. Lettera holds the writing.
Obsidian is one of the best knowledge tools ever made. For research, note-taking, and connecting ideas, it has no real equal in the local-first space. But it's not a writing app — it's a tool that writers have adapted for writing by adding plugins on top of a Markdown editor. Lettera is a writing app that doesn't try to be anything else. If you want to feel something different when you sit down to draft — if you want the page to push back a little, to resist your editing instincts, to feel like more than a text field — give Lettera's fourteen-day trial a try. Your Obsidian vault will be right where you left it.
Free 14-day trial for macOS and Windows. No account required.
Lettera — a quiet place to write.