clap-rs/clap
A full featured, fast Command Line Argument Parser for Rust
The Full-Featured CLI Argument Parser for the Rust Ecosystem — clap is a mature Rust library for building command-line interfaces, supporting both declarative (derive) and procedural APIs for subcommands, positional args, and parsed values. Its wide adoption across Rust projects and ongoing maintenance make it a solid default choice for developers building CLI tools in Rust.
Developer toolsargument-parserargument-parsingcommand-linecommand-line-parserparsed-argumentspositional-argumentsrustsubcommands
Metrics
Relative growth (7d)+1%Growth over the last 7 days relative to size
Acceleration+610%Change in growth pace from the week before
Attention64The three metrics scaled to 0–100 and combined
Retention can be computed 30 days after a repository first trends (it isn't shown until then). See About for how each metric is defined.
Star growth and Trending appearances (last 30 days)
First listed+85★/dayWeekly
Oct 13, 2026Nov 11, 2026
Bands mark days on the trending list (darker = higher rank)
Daily trending ranks as a table (5 days)
| Date | Weekly |
|---|---|
| Nov 11, 2026 | rust #14 +245 |
| Nov 10, 2026 | rust #10 +245 |
| Nov 9, 2026 | rust #11 +245 |
| Nov 8, 2026 | rust #10 +242 |
| Nov 7, 2026 | rust #13 +168 |
Created Feb 25, 2015 · First on trending Nov 7, 2026
Other notable repositories in the same category (Developer tools)
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Rank within command-line
| # | Repository | ★ |
|---|---|---|
| 1 | nextlevelbuilder/ui-ux-pro-max-skill | 147,837 |
| 2 | BurntSushi/ripgrep | 69,979 |
| 3 | sharkdp/bat | 61,291 |
| 4 | Aider-AI/aider | 50,057 |
| 5 | sharkdp/fd | 45,147 |
| 6 | spf13/cobra | 44,856 |
| 7 | ajeetdsouza/zoxide | 40,547 |
| 8 | sharkdp/hyperfine | 29,242 |
| 9 | spicetify/cli | 25,463 |
| 10 | urfave/cli | 24,321 |
| 12 | clap-rs/clap | 16,964 |