herdr vs union
herdr and union share 6 technologies: Tokio, Ratatui, crossterm, schemars, tracing, and tracing-subscriber. Both are written in Rust.
LinkedInWhat they share and what sets them apart
herdrdev
herdr
the runtime your coding agents live on
Rust48.3kRead on November 5, 2026, at commit ee5bfb5What is herdr built with?Only in herdr
In common
unionlabs
union
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
Rust73.7kRead on November 5, 2026, at commit 031785bWhat is union built with?Only in union
Side by side
herdrunion
SizeLines written by people and agents, without generated ones; code files, without tests.
herdr339,816 lines written365 code files
union468,416 lines written1,841 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.
herdr0.3% of its commits signed by AIWith Claude Code, Factory, GitHub Copilot, and Cursor
union0% of its commits signed by AIWith CodeRabbit
ActivityFrom GitHub and its history, on the day SeeRepo read it.
herdrLast push November 3, 20261,875 commits48,295 stars
unionLast push July 25, 202613,299 commits73,725 stars
TestsThe files that test the code, and the share of code files a test imports.
herdr105 test files40.3% of its code files have a test that imports them
union120 test files10.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, herdr or union?
union, with 468,416 lines written; herdr has 339,816.
The proof: unionlabs/union's code at commit 031785b
Which has more GitHub stars, herdr or union?
union, with 73,725 stars; herdr has 48,295.
The proof: unionlabs/union on GitHub
Which has more tests, herdr or union?
union, with 120 test files; herdr has 105.
The proof: unionlabs/union's code at commit 031785b
Which was updated more recently, herdr or union?
herdr: its last push was on November 3, 2026, and union's on July 25, 2026.
The proof: herdrdev/herdr's commits on GitHub
Which has more commits signed by AI, herdr or union?
herdr: an AI signed 0.3% of its commits, with Claude Code, Factory, GitHub Copilot, and Cursor.
See inside your code, today.
Paste your repo and see it drawn, part by part: a medium one in under a minute.
Free, no account.
