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Top 23 C Driver Projects
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BlackHole
BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.
I'd say that this a missing feature from macOS that windows has had for 30 years already. I believe apple prohibits it for "security" reasons. But there are a number of open source solutions as well, I mainly use BlackHole:
https://github.com/ExistentialAudio/BlackHole
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mac-precision-touchpad
Windows Precision Touchpad Driver Implementation for Apple MacBook / Magic Trackpad
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Project mention: WireGuard makes new Windows release following Microsoft signing resolution | news.ycombinator.com | 2026-04-10
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openrazer
Open source driver and user-space daemon to control Razer lighting and other features on GNU/Linux
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xilinx_axidma
A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. These serve as bridges for communication between the processing system and FPGA programmable logic fabric, through one of the DMA ports on the Zynq processing system. Distributed under the MIT License.
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Project mention: Show HN: Llama 3.1 70B on a single RTX 3090 via NVMe-to-GPU bypassing the CPU | news.ycombinator.com | 2026-02-21
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hid-tmff2
Linux kernel module for Thrustmaster T300RS, T248 and (experimental) TX, T128, T598, T-GT II and TS-XW wheels
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hid-fanatecff
Driver to support FANATEC input devices, in particular ForceFeedback of various wheel-bases
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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 Driver discussion
C Driver related posts
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USB for Software Developers: An introduction to writing userspace USB drivers
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Win98-quickinstall: A framework and installer to quickly install Windows 98
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Django project - Part 2 Postgres
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Show HN: Attaching to a Virtual GPU over TCP
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BlackHole: macOS Audio Loopback Driver
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Projected File System
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Is exFAT bootable?Can I boot WinPE with exFAT?
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Driver projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | BlackHole | 19,157 |
| 2 | mac-precision-touchpad | 10,249 |
| 3 | winfsp | 8,655 |
| 4 | dokany | 5,865 |
| 5 | openrazer | 4,368 |
| 6 | psycopg2 | 3,640 |
| 7 | HackSysExtremeVulnerableDriver | 3,006 |
| 8 | r8152 | 2,998 |
| 9 | TitanHide | 2,753 |
| 10 | OpenHMD | 1,279 |
| 11 | softgpu | 1,130 |
| 12 | exfat | 879 |
| 13 | BthPS3 | 876 |
| 14 | EfiFs | 626 |
| 15 | DreamShell | 548 |
| 16 | xilinx_axidma | 535 |
| 17 | WinRing0 | 474 |
| 18 | aqc111 | 461 |
| 19 | ssd-gpu-dma | 428 |
| 20 | hid-tmff2 | 359 |
| 21 | hid-fanatecff | 319 |
| 22 | acer-wmi-battery | 289 |
| 23 | Huawei-WMI | 278 |
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