ObsiKO: AI Markdown + Mindmap

Nothing to set up — features are already wired to each other, like wiki links. Start writing the moment you install. ObsiKO: build your own universe of notes.

Tired of file conversion and plugin hunting? All your time on settings, not a line written? Features that never talk to each other?

Everyday writing, LLM wikis, ontologies, Zettelkasten, mind maps, reading logs, encyclopedias, schedules, file conversion — one app. No login, no payment, no subscription. Obsidian vaults (.md/.canvas/.base) open as-is; AI needs your own API key.

■ Write once, the rest follows · One "color" property colors the note tab, header, tree icon, .base and encyclopedia cards · Type "book" opens a book search that fills the rest in; shelf and dashboard follow · Type "project" adds start and deadline, drawn on the calendar and PARA board · Highlight a PDF; quotes stack up in a same-named note, ready for search · Define your own types and relations: set "author", the other side reads "works"

■ A beautiful cosmic graph · Wiki links, types, relations and PARA form one constellation — more links, brighter star · Filter by relation, or replay how each star was born

■ Infinite mind map canvas (.canvas) · Apple Pencil drawing. Turn a sketch straight into an AI image · Auto-generate from links, auto-arrange, group, embed. Let AI build one or read yours · 5 styles, grids, 10+ presets, map and dungeon drawing in 3 themes

■ .base support · Fully compatible: projects, kanban, cards, charts, a book and paper library, PARA, a card-statement ledger

■ Fast unified search · Names, contents, Hangul jamo, semantic meaning. Sidebar results, bookmarked queries · Book and paper lookup builds a reading note with cover and details

■ A dashboard and themes you arrange · 50+ widgets plus query and embed boards, laid out as your start screen · Calendars, to-dos, habits, statistics, mini games, AI briefing, daily tarot · 20+ UI themes on current color trends, customizable, plus your own fonts

■ Markdown done right · A format bar and cheat sheet if you don't know markdown, Mermaid, 20+ charts · Inline drawing while you write, block IDs, embeds, merge and split notes

■ A strong writing assistant · 70+ structures in 13 genres: Hero's Journey, Save the Cat, SCQA, character (TRPG), world sheets · Socratic questions, genre-aware editing and style polish, added as comments · Spell check, dictionaries, Wikipedia and SCP search, on-device speech, random box

■ Schedules and tasks · Reminders, Obsidian Tasks compatible, calendar subscriptions. Any file's dates count · Year, month, week, day and timeline views, plus home screen widgets

■ Viewers and encyclopedia · One frontmatter line gives book, web novel, messenger or visual novel views; record the last two for a short · Encyclopedia: characters, settings, your own categories; portraits become icons

■ Clipping, conversion and compatibility · Not just the URL — article text and photos become a note. RSS clips too · Obsidian files and vaults fully compatible, plus Notion HTML import · One-click markdown from doc/docx, PDF, hwp/hwpx; a read-only panel opens dozens more · AI OCR for images and scanned PDFs, video and audio transcription

■ AI agent · Add an API key (Claude, Gemini, GPT) — or use the app fully without any AI · It builds mind maps and .base tables on your phone, and reads existing ones · Automatic memory, LLM wiki building, ontology and Zettelkasten design, slash commands · AI read-aloud and image generation in the editor. Bulk work is desktop only

■ Presentation and export · Marp properties make a deck. Export to PDF, HWPX, DOCX, EPUB, HTML, ZIP and wiki markup

■ Everything else · Image editing (background removal, crop, resize, filters) and free image search · Apple Watch memos, color panel, command palette, focus timer, goals, trash, bookmarks

Open the "?" beside any panel title, or just ask the AI. All of it is free. Tell us about any rough spots.

■ Supported · iPhone, iPad, Mac and more. Korean, English, Japanese (more to come) · Mac desktop runs the full AI agent via SDK and CLI