jcode vs zed
jcode and zed share 8 technologies: Tokio, objc2-app-kit, objc2-foundation, core-graphics, image, pulldown-cmark, resvg, and jsonschema. Both are written in Rust.
LinkedInWhat they share and what sets them apart
1jehuang
jcode
High performance coding agent harness written in Rust, built for heavy multi-agent dev workflows
Rust21.5kRead on November 5, 2026, at commit cedcdeeWhat is jcode built with?Only in jcode
In common
- Tokio
objc2-app-kit
- core-graphics
- image
- pulldown-cmark
- resvg
- jsonschema
zed-industries
zed
Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Rust92.7kRead on November 4, 2026, at commit e21ff1bWhat is zed built with?Only in zed
- axum
- tower
aws-sdk-s3
- lru
- Postgres
- sqlx
AWS S3- GitHub
gpui
- gpui_tokio
- smol
- tiny_http
- core-services
- swash
- gpui_platform
accesskit
- wgpu
- x11rb
- wayland-client
taffy
- xkbcommon
- console
- cosmic-text
- dialoguer
- jsonwebtoken
rpassword
- markdown
- quick-xml
- html5ever
- linkify
- handlebars
- plist
- ttf-parser
- schemars
- log
tracing
- env_logger
Side by side
jcodezed
SizeLines written by people and agents, without generated ones; code files, without tests.
jcode1,009,350 lines written1,319 code files
zed1,835,785 lines written1,779 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
jcode0.2% of its commits signed by AIWith Claude Code and Gemini CLI
zed0.5% of its commits signed by AIWith Claude Code, Amp, Factory, GitHub Copilot, Codex, Cursor, and Gemini CLI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
jcodeLast push November 5, 202611,111 commits21,497 stars
zedLast push November 4, 202637,547 commits92,679 stars
TestsThe files that test the code, and the share of code files a test imports.
jcode766 test files49.1% of its code files have a test that imports them
zed140 test files18.1% of its code files have a test that imports them
Frequently asked questions
Which is bigger, jcode or zed?
zed, with 1,835,785 lines written; jcode has 1,009,350.
The proof: zed-industries/zed's code at commit e21ff1b
Which has more GitHub stars, jcode or zed?
zed, with 92,679 stars; jcode has 21,497.
The proof: zed-industries/zed on GitHub
Which has more tests, jcode or zed?
jcode, with 766 test files; zed has 140.
The proof: 1jehuang/jcode's code at commit cedcdee
Which was updated more recently, jcode or zed?
jcode: its last push was on November 5, 2026, and zed's on November 4, 2026.
The proof: 1jehuang/jcode's commits on GitHub
Which has more commits signed by AI, jcode or zed?
zed: an AI signed 0.5% of its commits, with Claude Code, Amp, Factory, GitHub Copilot, Codex, Cursor, and Gemini CLI; in jcode, 0.2%.
The proof: the commits each tool signed in zed-industries/zed
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