PkgSeek is an open-source package search engine for Linux, BSD & Homebrew. 🔎 1.9M+ packages across 31 distributions: Debian, Arch, Fedora, RHEL, openEuler, openKylin, UOS, OpenWrt, FreeBSD, Homebrew… Compare versions across distros. Check CVEs + fixed versions. File reverse-lookup, dependency graphs, error→install commands. 🔓 Open by default: free REST API + MCP, daily Parquet/JSON dumps, no challenge, no 10,000-result cap. Try nginx, openssl, or /usr/bin/convert at https://pkgseek.com.