foundry vs zed
foundry and zed share 10 technologies: axum, Tokio, tower, dialoguer, rpassword, markdown, schemars, tracing, tracing-subscriber, and tracing-tracy. Both are written in Rust.
LinkedInWhat they share and what sets them apart
foundry-rs
foundry
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
Rust10.8kRead on November 13, 2026, at commit b59c7b3What is foundry built with?Only in foundry
In common
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
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
objc2-foundation
- 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
- wgpu
- x11rb
- core-graphics
- etagere
- wayland-client
alacritty_terminal
taffy
- xkbcommon
- wayland-protocols-plasma
- console
- cosmic-text
lyon_path
- notify-rust
- wayland-cursor
- file_icons
icons
- emojis
sea-orm-macros
- sqlez_macros
- credentials_provider
- oauth_callback_server
- zed_credentials_provider
- jsonwebtoken
- 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_preview
- image
- quick-xml
- pulldown-cmark
- html5ever
tree-sitter-md
- usvg
- linkify
- handlebars
- mdbook
- objc2-core-text
- plist
- resvg
- ttf-parser
- yaml-rust2
- jsonschema
- zlog
- ztracing
- log
- env_logger
- simplelog
- perf-event
- prometheus
- tracy-client
Side by side
foundryzed
SizeLines written by people and agents, without generated ones; code files, without tests.
foundry613,747 lines written714 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.
foundry4% of its commits signed by AIWith Amp, Claude Code, Cursor, and GitHub Copilot
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.
foundryLast push November 13, 20269,510 commits10,772 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.
foundry251 test files14.6% 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, foundry or zed?
zed, with 1,852,865 lines written; foundry has 613,747.
The proof: zed-industries/zed's code at commit 8a5cf7e
Which has more GitHub stars, foundry or zed?
zed, with 94,758 stars; foundry has 10,772.
The proof: zed-industries/zed on GitHub
Which has more tests, foundry or zed?
foundry, with 251 test files; zed has 140.
The proof: foundry-rs/foundry's code at commit b59c7b3
Which was updated more recently, foundry or zed?
foundry: its last push was on November 13, 2026, and zed's on November 12, 2026.
The proof: foundry-rs/foundry's commits on GitHub
Which has more commits signed by AI, foundry or zed?
foundry: an AI signed 4% of its commits, with Amp, Claude Code, Cursor, and GitHub Copilot; in zed, 0.5%.
The proof: the commits each tool signed in foundry-rs/foundry
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