A fast, native desktop reader for Open Knowledge Format bundles. Point it at a folder to explore concepts, follow links, and see the structure of what you know.
OKF Viewer reads two open, vendor-neutral formats. Here's the short version.
Google's open spec for packaging knowledge as plain markdown files with YAML frontmatter, organized into a portable bundle. No SDK, no database, no lock-in. Table docs, runbooks, API references, concept graphs: anything an agent or a human should be able to read.
Read the OKF spec →A profile of OKF for design systems: it adds machine-readable design tokens and runnable HTML/CSS examples, so an agent produces UI that matches your system. This very site was built from an ODSF bundle, which OKF Viewer can open and preview.
Read the ODSF spec →A focused reader for the Open Knowledge Format, the vendor-neutral way to package agent-readable knowledge.
Explore concepts, links, and structure visually, not a wall of files.
Reads Open Knowledge Format & ODSF bundles from any producer, yours or someone else's.
A Tauri desktop app for Windows, macOS, and Linux. Small, quick, no browser bloat.
Validation surfaces issues inline; a tolerant reader never rejects a sloppy bundle.
Renders ODSF design tokens and live HTML/CSS examples right in the reader.
Syntax-highlighted code, zoomable images, and keyboard-first navigation.
A distraction-free reader with a live index, syntax-highlighted code, zoomable images, and the relationship panel. See what a concept links to and what cites it, without leaving the page.
Open an ODSF bundle and OKF Viewer renders its design tokens and live HTML/CSS examples inline. Here it's reading this very site's design system, previewing the hero it was built from.
Free and open source. Pick your platform.
v0.2.2 · unsigned for now (your OS may warn on first launch) · all releases · macOS: build from source