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spectrwm

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spectrwm
Namespectrwm
Titlespectrwm
AuthorShawn Betts
Initial release2009
Operating systemBSD, Linux
LicenseISC

spectrwm spectrwm is a lightweight tiling window manager developed in C for Unix-like systems, emphasizing minimalism and keyboard-driven workflows. It is often compared with dwm, i3, xmonad, awesome, and herbstluftwm in discussions among users of Debian, Arch Linux, FreeBSD, OpenBSD, and NetBSD. Spectrwm integrates with tools like xrandr, xprop, xev, X.Org Server, and desktop components such as dmenu, rofi, and conky.

Introduction

spectrwm provides dynamic tiling, floating, and monocle layouts tailored for users familiar with Unix variants and window managers like dwm, i3, and xmonad. It targets environments running the X Window System atop X.Org Server or XFree86 and interoperates with display protocols used by X.Org Foundation projects. The project’s small codebase and licensing under the ISC license make it attractive to contributors from communities around OpenBSD, FreeBSD, and Linux From Scratch.

History and development

Development began as a fork and reimplementation influenced by earlier tiling managers such as dwm and wmii, with initial contributions from Shawn Betts and maintainers who previously worked on cwm and suckless-adjacent projects. The timeline of changes intersected with events in broader free software history, including shifts in the X.Org Server ecosystem and the emergence of window managers like i3 and awesome. Contributors have come from maintainers of distributions including Debian, Arch Linux, Gentoo, and BSD ports trees such as FreeBSD Ports Collection and OpenBSD ports. Development discussions have appeared alongside activity in communities like GitHub, GitLab, and mailing lists hosted by OpenBSD and FreeBSD projects.

Features and design

spectrwm implements dynamic tiling, stack and monocle modes, and multi-monitor support via xrandr and RANDR extensions used by X.Org Server. It emphasizes a simple codebase in C and adheres to minimal runtime dependencies, aligning philosophically with projects such as suckless and dwm. The design supports configurable keybindings inspired by vi and Emacs paradigms familiar to users of Debian, Ubuntu, and Fedora. Built-in statusline integration works with tools like conky and i3status, and its window rules can be combined with utilities like wmctrl, xprop, and xdotool for automation.

Configuration and usage

Configuration is file-based using a single plain-text configuration file, similar in spirit to xmonad’s Haskell-based approach but simpler, akin to dwm’s header file patches. Users of distributions such as Arch Linux, Debian, Ubuntu, and Gentoo often place configuration files in home directories under dotfiles alongside Xresources entries and session startup files for Xsession or display managers like LightDM and SLiM. Common integrations include launching application menus like dmenu or rofi, terminal emulators such as xterm, urxvt, rxvt-unicode, gnome-terminal, and compositors like compton or picom for shadow and transparency effects.

Window management and workflow

spectrwm’s workflow centers on keyboard-driven operations, enabling rapid window focus, swapping, and resizing reminiscent of i3 and xmonad conventions. It supports multiple workspaces and multi-monitor arrangements, making it suitable for users running development environments involving editors like Vim, Emacs, and IDEs such as Visual Studio Code or Eclipse. Power users often script behavior with bash, Python, or Perl integrating with tools like sed, awk, and grep for automated window placement during complex sessions used in projects hosted on GitHub or GitLab.

Performance and compatibility

spectrwm’s small memory footprint and C implementation yield performance advantages on older hardware and BSD systems, comparable to lightweight window managers used in NetBSD and OpenBSD installations. It is compatible with compositors and utilities common in Linux desktops and can run alongside desktop environments like Xfce or lightweight stacks used in Lubuntu and Arch Linux setups. The project’s compatibility matrix often references X.Org Server versioning, RANDR extensions, and interaction with X11 utilities maintained by the X.Org Foundation.

Community and adoption

Adoption has been strongest among users in the Unix and BSD communities, with package availability in repositories for Debian, Arch Linux, Gentoo, FreeBSD, and OpenBSD. Community support appears on forums and platforms like Reddit, Stack Overflow, Stack Exchange, GitHub, and distribution-specific mailing lists. Contributors and users often participate in conversations alongside maintainers of related projects such as dwm, i3, xmonad, and suckless tools, exchanging configuration snippets and workflows in dotfiles repositories and community wikis.

Category:Window managers