Hammerspoon vs Divvy
When comparing Hammerspoon vs Divvy, the Slant community recommends Divvy for most people. In the question“What are the best power user tools for macOS?” Divvy is ranked 17th while Hammerspoon is ranked 38th. The most important reason people chose Divvy is:
Although it's not in the same level as something like bug.n, Divvy does support the use of keyboard shortcuts to move windows about. You can even create custom shortcuts.
Ranked in these QuestionsQuestion Ranking
Pros
Pro 1512 issues are closed in the download page in GitHub
https://github.com/Hammerspoon/hammerspoon/issues
They do fix issues that come from the community.
Pro Deeply customizable
Hammerspoon's Lua scripting and broad API allows you to perform any action you can imagine on your mac. It hooks into many OS APIs directly and has some high-level APIs to manipulate things like Spotify or iTunes. See the full list here.
Pro Automate actions based on the operating system
Hammerspoon lets you hook into OS level events and trigger any action you can imagine. From setting up a simple keyboard shortcut to launching a complex workflow using multiple apps and scripts.
Pro Has keyboard shortcuts
Although it's not in the same level as something like bug.n, Divvy does support the use of keyboard shortcuts to move windows about. You can even create custom shortcuts.
Pro Requires virtually no configuration & is very easy to use
Divvy uses a drop and drag style UI that's simple to use and doesn't require any setup or configuration to get started.
Pro Reasonably configurable
You can change the grid dimensions and a very other visual settings to suit your needs.
Pro Super-fast access by defining your own hot key (mine Win+S)
Cons
Con Has 324 issues on their download page in GitHub
https://github.com/Hammerspoon/hammerspoon/issues
I can not list all the issues.
Con Some knowledge of programming required
Hammerspoon is scripted in the Lua programming language, and some familiarity with programming in general will be needed to use it. Some plugins exist that can be used by adding some files to a specific folder, but this will not give the flexibility that is so key to Hammerspoon
Con Quite inconvenient to assign windows
You always have to use the mouse instead of having proper keyboard shortcuts.
Con No longer updated
While this may work for current machines, the last beta version (to be found on the site) is from January 2016.
Developer's twitter account has stopped being active as well, on November '16.
Con Windows 10 buggy
Not all keyboard shortcuts work. Support is non existent.
Con Installer requires admin rights, installs itself to AppData of the used account
Something to consider if would be used in a restricted environment.
Con Not free
Costs $14.