Concat vs warp

Concat and warp share 13 technologies: objc2-app-kit, objc2-foundation, Tokio, fontdb, wgpu, objc2-metal, objc2-quartz-core, ort, tokenizers, image, resvg, schemars, and log. Both are written in Rust.

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What 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
  • write-fonts
  • i-slint-core-macros
  • wgpu-hal
  • Slint
  • skia-safe
  • i-slint-core
  • tiny-skia
  • glow
  • glutin
  • i-slint-common
  • lyon_path
  • rfd
  • softbuffer
  • wayland-client
  • whisper-rs
  • png
  • read-fonts
  • rustybuzz
  • ttf-parser
  • android_logger

In common

warpdotdev

warp

Warp is an agentic development environment, born out of the terminal.

Rust65.9kRead on November 9, 2026, at commit abb3fe3What is warp built with?

Only in warp

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
Concat165,559 lines written221 code files
warp1,829,311 lines written3,055 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
warp41.4% of its commits signed by AIWith Warp, Claude Code, Cursor, Amp, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ConcatLast push November 8, 20261,280 commits15,408 stars
warpLast push November 9, 20262,624 commits65,946 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
warp1,032 test files47.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, Concat or warp?
warp, with 1,829,311 lines written; Concat has 165,559.

The proof: warpdotdev/warp's code at commit abb3fe3

Which has more GitHub stars, Concat or warp?
warp, with 65,946 stars; Concat has 15,408.

The proof: warpdotdev/warp on GitHub

Which has more tests, Concat or warp?
warp, with 1,032 test files; Concat has 6.

The proof: warpdotdev/warp's code at commit abb3fe3

Which was updated more recently, Concat or warp?
warp: its last push was on November 9, 2026, and Concat's on November 8, 2026.

The proof: warpdotdev/warp's commits on GitHub

Which has more commits signed by AI, Concat or warp?
Concat: an AI signed 66.1% of its commits, with Claude Code, Cursor, and Codex; in warp, 41.4%.

The proof: the commits each tool signed in jub0t/Concat

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