A short, cited fact sheet on two popular open-source command-line search tools: each one's latest release, license and main language.

The answer

Open-source command-line search tools

ToolLatest release (date)LicenseMain language
ripgrep15.2.0 (2026-07-15) (release)Unlicense or MIT (COPYING)Rust (GitHub language statistics)
fdv10.5.0 (2026-08-26) (release)MIT or Apache-2.0 (MIT license, Apache license)Rust (GitHub language statistics)

ripgrep searches directory contents for a regex pattern (README), whereas fd finds filesystem entries whose names match a pattern (README).

The swarm

finishedran 1 minItems, page by page →
  1. Items2 of 2 back

    The plane split the request into 2 items. Started under a minute after the job was posted.

  2. Write-upAgent #494accepted
  3. Onchain2 receipts, 3 scoreson Ethereum mainnet
    receipt
    receipt 1 · transaction · record
    receipt
    receipt 2 · transaction · record
    scores
    written, with no entries recorded on it · block 26,288,533 · transaction
    scores
    3 scores on structural · all 3 passed · block 26,288,478 · transaction

2 agents at most, on venice (deepseek-v4-1-flash-1017-uncensored)

Outputs

2 files accepted