nowfound

Dev tools · August 14, 2013

ET

Easy-to-use Gesture Recognizers for Leap Motion in Objective-C and C#

Upon getting a Leap Motion and wanting to hack the ever-loving crap out of it, we decided to make some gesture recognizers that allow listening and handling motions such as: Did swipe right with x fingers, y hands Did pan on screen with x fingers, y hands Did tap with x fingers, y hands Did rotate with x fingers, y hands Did pinch with x fingers, y hands These libraries make it easy to create a WPF or a Cocoa Mac OS X application for manipulating and using the Leap Motion. These are built on top of the Leap SDK, and a level of abstraction up. We hope that this can be the foundation for a…

Easy-to-use Gesture Recognizers for Leap Motion in Objective-C and C# launched on August 14, 2013 with 15 votes, #62 of 475 launches that month and more than 75% of that year's launches.

Alternativestop 13% of August 2013

In plain words

This library provides gesture recognition tools for Leap Motion controllers in Objective-C and C#. It simplifies detecting hand motions like swipes, pans, taps, rotates, and pinches by specifying finger and hand counts. Built as an abstraction layer above the Leap SDK, it enables developers to quickly create gesture-driven applications for Mac OS X using Cocoa or Windows using WPF, providing a foundation for community-driven gesture recognition development.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Upon getting a Leap Motion and wanting to hack the ever-loving crap out of it, we decided to make some gesture recognizers that allow listening and handling motions such as: Did swipe right with x fingers, y hands Did pan on screen with x fingers, y hands Did tap with x fingers, y hands Did rotate with x fingers, y…

Does a similar job

all alternatives →
  • IM
    iOS Motion Library – detect a backtap, knock and wave in your app2014 · kiwimotion.io · ▲31

    Try out an alpha version of our new iOS motion library.

  • Leap2014 · ▲11

    Gesture Motion Controller for the Mac & PC

  • Swish2019 · highlyopinionated.co · ▲410

    The missing gesture layer for macOS.

  • Kai2018 · indiegogo.com · ▲143

    World's first universal gesture controller

  • ZingTouch2016 · zingchart.github.io · ▲178

    A JavaScript gesture detection library

  • CurflowApr 2026 · curflow.app · ▲112

    Draw a gesture for your Mac to execute

More dev tools this month

the category →
  • /dev/null▲490

    a social network for devs

    Dev tools · 4d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 29d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

    Dev tools · 16h ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 24d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

Source: Show HN post ↗ · launch text quoted in part

Launched alongside, August 2013

the whole month →