Hammerspoon
Powerful automation of Mac OS
Hammerspoon launched on November 28, 2019 with 142 votes, #172 of 3,203 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 6 years on.
What it does
Hammerspoon is a desktop automation tool for macOS. It bridges various system level APIs into a Lua scripting engine, allowing you to have powerful effects on your system by writing Lua scripts.
Staggeringly powerful macOS desktop automation with Lua. Making the runtime, funtime.
This is a tool for powerful automation of macOS. At its core, Hammerspoon is just a bridge between the operating system and a Lua scripting engine. What gives Hammerspoon its power is a set of extensions that expose specific pieces of system functionality, to the user. You can write Lua code that interacts with macOS APIs for applications, windows, mouse pointers, filesystem objects, audio devices, batteries, screens, low-level keyboard/mouse events, clipboards, location services, wifi, and more. If you want to explore the options Hammerspoon offers, check out the Getting Started Guide and the full API documentation as well as the already pre-made plugins called Spoons . Typically you would…from hammerspoon.org
Does a similar job
all alternatives →
More dev tools this month
the category →
open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com
Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 25d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 22d ago · openbot.run
Talanoa▲341Hi 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 · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Product Hunt launch ↗
