Source: https://seerepo.com/compare/anomalyco/opencode/vs/emdash-cms/emdash
Markdown source: https://seerepo.com/compare/anomalyco/opencode/vs/emdash-cms/emdash.md
Description: opencode and emdash share 13 technologies: Vite, MCP, Hono, Astro, React, @clack/prompts, Tailwind CSS, dnd-kit, jose, Zod, dompurify, marked, and yaml. Both are written in TypeScript.

# opencode vs emdash

opencode and emdash share 13 technologies: Vite, MCP, Hono, Astro, React, @clack/prompts, Tailwind CSS, dnd-kit, jose, Zod, dompurify, marked, and yaml. Both are written in TypeScript.

- [anomalyco/opencode](https://seerepo.com/r/anomalyco/opencode): The open source coding agent.
- [emdash-cms/emdash](https://seerepo.com/r/emdash-cms/emdash): EmDash is a full-stack TypeScript CMS based on Astro; the spiritual successor to WordPress

## What they share and what sets them apart

- In common: Vite, MCP, Hono, Astro, React, @clack/prompts, Tailwind CSS, dnd-kit, jose, Zod, dompurify, marked, yaml
- Only in opencode: Solid, solidjs, @solid-primitives/storage, Sentry, effect, Anthropic, @solidjs/router, Electron, GitHub, PlanetScale, @solidjs/meta, @astrojs/starlight, nitro, @aws-sdk/credential-providers, @tailwindcss/vite, solid-primitives, @kobalte/core, @tanstack/solid-virtual, @corvu/drawer, qr-scanner, clack, OpenTUI, @agentclientprotocol/sdk, Drizzle, ai-sdk, gitlab-ai-provider, @silvia-odwyer/photon-node, htmlparser2, gray-matter, @standard-schema/spec, electron-context-menu, electron-log, SST, @betteroffice/fonts, ghostty-web, TanStack, betteroffice, entities, commonmark-spec, micromark, commonmark, micromark-extension-gfm, @ai-sdk/provider, @kitlangton/solid-motion, @pierre/highlights, pele, D3, @resvg/resvg-wasm, satori, solid-sonner, katex, jsqr, @effect/opentelemetry, opentelemetry, toolbeam-docs-theme, @solid-primitives/resize-observer, shiki, marked-shiki, Plex, three, number-flow, mdast-util-mdx-jsx, unist-util-visit, vfile, estree-util-visit, hast-util-to-text, remark-gfm, remark-smartypants, sharp, uqr, Cloudflare
- Only in emdash: @tanstack/react-router, Postgres, @phosphor-icons/react, sanitize-html, image-size, tailwind-merge, tiptap, react-day-picker, react-hotkeys-hook, @floating-ui/react, @lezer/highlight, CodeMirror, lowlight, react-image-crop, highlight.js, kysely, echarts, lightningcss, @astrojs/cloudflare, arctic, blurhash, jpeg-js, sax, upng-js, @apidevtools/swagger-parser, zod-openapi, parse5, @astro-community/astro-embed-youtube

## Side by side

| | opencode | emdash |
|---|---|---|
| Size | 1,304,068 lines written, 4,550 code files | 1,316,006 lines written, 2,085 code files |
| Who writes it | 0.3% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Jules | 8.5% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Amp |
| Activity | Last push November 8, 2026, 22,280 commits, 225,527 stars | Last push November 9, 2026, 2,843 commits, 14,309 stars |
| Tests | 2,002 test files. 38.6% of its code files have a test that imports them | 1,954 test files. 59.5% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, opencode or emdash?

emdash, with 1,316,006 lines written; opencode has 1,304,068.

The proof: [emdash-cms/emdash's code at commit 2ae29db](https://github.com/emdash-cms/emdash/tree/2ae29db9a0ab4519b2ce97c1af22516f867ff058)

### Which has more GitHub stars, opencode or emdash?

opencode, with 225,527 stars; emdash has 14,309.

The proof: [anomalyco/opencode on GitHub](https://github.com/anomalyco/opencode)

### Which has more tests, opencode or emdash?

opencode, with 2,002 test files; emdash has 1,954.

The proof: [anomalyco/opencode's code at commit 7d5b722](https://github.com/anomalyco/opencode/tree/7d5b72250890e0e89573b4cab42a003a48c20567)

### Which was updated more recently, opencode or emdash?

emdash: its last push was on November 9, 2026, and opencode's on November 8, 2026.

The proof: [emdash-cms/emdash's commits on GitHub](https://github.com/emdash-cms/emdash/commits)

### Which has more commits signed by AI, opencode or emdash?

emdash: an AI signed 8.5% of its commits, with Claude Code, GitHub Copilot, Cursor, and Amp; in opencode, 0.3%.

The proof: [the commits each tool signed in emdash-cms/emdash](https://seerepo.com/r/emdash-cms/emdash/ai)

## Sources

- anomalyco/opencode: Read on November 8, 2026, at commit 7d5b722 (https://github.com/anomalyco/opencode/tree/7d5b72250890e0e89573b4cab42a003a48c20567)
- emdash-cms/emdash: Read on November 9, 2026, at commit 2ae29db (https://github.com/emdash-cms/emdash/tree/2ae29db9a0ab4519b2ce97c1af22516f867ff058)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.