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Top 18 C window-manager Projects
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Project mention: The struggle of resizing windows on macOS Tahoe | news.ycombinator.com | 2026-01-11
I recommend altSnap to get this functionality on Windows.
https://github.com/RamonUnch/AltSnap
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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I recommend that you try labwc. It's lean and supports Openbox themes.
I switched from X11 and LXDE to Sway and had a good experience. But Sway was my slippery slope to labwc.
https://github.com/labwc/labwc
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There is also a FWWM[1] "skin" that doesn't require long time abandoned C code - NsCDE[2]. It still requires X server which becomes rarity these days. They need to port it to Wayland eventually.
[1] https://github.com/fvwmorg/fvwm3
[2] https://github.com/NsCDE/NsCDE
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Kargo
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emwm
Enhanced Motif Window Manager (MWM fork). Supports Xinerama, Xrandr, UTF-8/Xft, multiple workspaces and relevant EWMH.
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miniwinwm
Open source embedded window manager with overlapped windows. This project is actively maintained and free support is provided via the website. New features can be added on request. Consultancy can provided for commercial use.
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nwm
Minimal POSIX X11 window manager zero bloat optimized C fast lightweight tiling master stack dual tagsets hotkeys
- OpenBSD `pledge(2)` support
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## Quick Start
Full source code, configuration, and build instructions are on [GitHub](https://github.com/tinyopsec/nwm).
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## Key Points
- Compile-time configuration only (`nwm.h`)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C window-manager discussion
C window-manager related posts
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Enhanced Motif Window Manager
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DECwindows Motif
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QNX Self-Hosted Developer Desktop
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FVWM-95
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IRIX Introduction
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Lslvr/mwm: The smallest (usable) X11 window manager
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Comparison of MGR, SunView, OpenWindows and X11R6
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A note from our sponsor - SaaSHub
www.saashub.com | 9 Sep 2026
Index
What are some of the best open-source window-manager projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | AltSnap | 5,186 |
| 2 | labwc | 2,766 |
| 3 | sxwm | 976 |
| 4 | fvwm3 | 638 |
| 5 | xsuspender | 353 |
| 6 | mlvwm | 341 |
| 7 | RudeWindowFixer | 174 |
| 8 | xwm | 170 |
| 9 | modwm | 145 |
| 10 | emwm | 107 |
| 11 | miniwinwm | 61 |
| 12 | nwm | 38 |
| 13 | moonwm | 31 |
| 14 | dwm-dots | 23 |
| 15 | dwm | 10 |
| 16 | dwm | 2 |
| 17 | sowm | 1 |
| 18 | dwm | 0 |
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