Concat vs zed
Concat and zed share 13 technologies: objc2-app-kit, objc2-foundation, Tokio, wgpu, objc2-metal, objc2-quartz-core, lyon_path, wayland-client, image, resvg, ttf-parser, schemars, and log. Both are written in Rust.
LinkedInWhat they share and what sets them apart
jub0t
Concat
Beta: The truly free, open-source, local-first, cross-platform video editor. Scriptable through a JSON-RPC API & MCP.
Rust15.4kRead on November 8, 2026, at commit c6be3e0What is Concat built with?Only in Concat
- Jetpack Compose
- clru
- core-ktx
- fontdb
- write-fonts
- i-slint-core-macros
- wgpu-hal
- Slint
skia-safe
- i-slint-core
- tiny-skia
- glow
- glutin
- i-slint-common
- rfd
- softbuffer
ort
tokenizers
- whisper-rs
- png
- read-fonts
- rustybuzz
- android_logger
In common
objc2-app-kit
- Tokio
- wgpu
lyon_path
- wayland-client
- image
- resvg
- ttf-parser
- schemars
- log
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.
Rust94.8kRead on November 12, 2026, at commit 8a5cf7eWhat is zed built with?Only in zed
- axum
- tower
aws-sdk-s3
- db
- sqlez
- sqlx-postgres
libsqlite3-sys
- lru
- heed
- moka
- Postgres
- sqlx
AWS S3- GitHub
gpui
- gpui_tokio
- gpui_web
node_runtime
- smol
- wasmtime
- tiny_http
- core-services
- theme
- theme_settings
- font-kit
- core-text
- swash
- command_palette_hooks
- component
- copilot_ui
- git_ui_core
- gpui_platform
- menu
- notifications
- open_path_prompt
- picker
- picker_preview
- platform_title_bar
- tasks_ui
- terminal
- terminal_view
- title_bar
- ui
- ui_input
- vim_mode_setting
- zed_actions
accesskit
- x11rb
- core-graphics
- etagere
alacritty_terminal
taffy
- xkbcommon
- wayland-protocols-plasma
- console
- cosmic-text
- dialoguer
- notify-rust
- wayland-cursor
- file_icons
icons
- emojis
sea-orm-macros
- sqlez_macros
- credentials_provider
- oauth_callback_server
- zed_credentials_provider
- jsonwebtoken
rpassword
- acp_thread
- agent
- agent_servers
- agent_skills
- agent_ui
- ai_onboarding
- cloud_llm_client
- codestral
- context_server
- copilot_chat
- edit_prediction
- edit_prediction_context
- edit_prediction_types
- harbor
- language_model
- language_model_core
- language_models
- ollama
- open_ai
- prompt_store
- zeta_prompt
agent-client-protocol
- markdown
- markdown_preview
- quick-xml
- pulldown-cmark
- html5ever
tree-sitter-md
- usvg
- linkify
- handlebars
- mdbook
- objc2-core-text
- plist
- yaml-rust2
- jsonschema
- zlog
- ztracing
tracing
- env_logger
- simplelog
- perf-event
- prometheus
- tracing-tracy
- tracy-client
Side by side
Concatzed
SizeLines written by people and agents, without generated ones; code files, without tests.
Concat165,559 lines written221 code files
zed1,852,865 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.
Concat66.1% of its commits signed by AIWith Claude Code, Cursor, and Codex
zed0.5% of its commits signed by AIWith Claude Code, Amp, Factory, GitHub Copilot, Codex, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ConcatLast push November 8, 20261,280 commits15,408 stars
zedLast push November 12, 202637,638 commits94,758 stars
TestsThe files that test the code, and the share of code files a test imports.
Concat6 test files6.8% of its code files have a test that imports them
zed140 test files18.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, Concat or zed?
zed, with 1,852,865 lines written; Concat has 165,559.
The proof: zed-industries/zed's code at commit 8a5cf7e
Which has more GitHub stars, Concat or zed?
zed, with 94,758 stars; Concat has 15,408.
The proof: zed-industries/zed on GitHub
Which has more tests, Concat or zed?
zed, with 140 test files; Concat has 6.
The proof: zed-industries/zed's code at commit 8a5cf7e
Which was updated more recently, Concat or zed?
zed: its last push was on November 12, 2026, and Concat's on November 8, 2026.
The proof: zed-industries/zed's commits on GitHub
Which has more commits signed by AI, Concat or zed?
Concat: an AI signed 66.1% of its commits, with Claude Code, Cursor, and Codex; in zed, 0.5%.
The proof: the commits each tool signed in jub0t/Concat
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