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zsh-history-substring-search vs HSTR: catalog facts
zsh-history-substring-search	HSTR
Best for: Zsh users who want fish-style history search	Best for: Bash and Zsh users who reuse long commands from history
Free Free to download and use.	Free Free to use, with source published on GitHub.
Command line	Linux, Command line
Matches any part of a previous command Fish-style search without switching shells All 3 strengths for zsh-history-substring-search Matches any part of a previous command Fish-style search without switching shells Small plugin that adds to an existing Zsh setup	Interactive search through shell history Works with both Bash and Zsh All 3 strengths for HSTR Interactive search through shell history Works with both Bash and Zsh Documented configuration and man page
Works only with Zsh Needs setup in your shell configuration	Only Bash and Zsh are supported Needs shell configuration to bind it to a key
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License not stated
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for zsh-history-substring-search github.com/zsh-users/zsh-history-substring-search Catalog checked October 2, 2026	Official website Full listing and sources Sources for HSTR github.com/dvorka/hstr Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.