Compare software

sig vs fzy: catalog facts
sig	fzy
Best for: Search streaming text interactively in your terminal	Best for: Terminal users who want a lightweight fuzzy picker for scripts and editor plugins
Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.	Free Free and open source.
Windows, macOS, Linux, Command line	macOS, Linux, Command line
Updates matches as data arrives and can rerun a source command.	Match ranking designed to surface the intended result first Small, simple C program that works well in pipelines All 3 strengths for fzy Match ranking designed to surface the intended result first Small, simple C program that works well in pipelines Scoring algorithm is documented in the repository
Rerunning a command repeats any side effects that command has.	Fewer built-in features than fzf, such as previews Releases are infrequent
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for sig github.com/ynqa/sig github.com/ynqa/sig/blob/main/LICENSE Catalog checked September 22, 2026	Official website Full listing and sources Sources for fzy github.com/jhawthorn/fzy Catalog checked September 23, 2026

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