macOS 26+ · Apple silicon
KeyHop
Ten fixed home-row keys map to ten apps. Switch or launch with pure muscle memory—regardless of keyboard layout. Optionally sync your settings across Macs with iCloud.
Small, focused tools for Mac, iPhone, and iPad. Local-first, free of tracking, and crafted for daily use.
macOS 26+ · Apple silicon
Ten fixed home-row keys map to ten apps. Switch or launch with pure muscle memory—regardless of keyboard layout. Optionally sync your settings across Macs with iCloud.
macOS 15+ · English learning
Captures what you write in Pi, Claude Code, Codex, OpenCode, or Antigravity and returns natural English with focused notes—with in-place text polishing whenever you need it.
macOS · Safari extension
Adds a download button to X videos and saves the highest-quality available MP4 straight to Downloads in Safari.
iPhone & iPad · Since 2009
Keep EPUB and CHM documents organized and ready to read on iPhone and iPad.
iPhone & iPad · Since 2011
Explore country profiles, maps, flags, and reference data—fully offline.
iPhone & iPad · Since 2012
A native Fanfou client for timelines, mentions, direct messages, favorites, and photos.
iPhone & iPad · Since 2014