Haobogu Rmk by haobogu
Rust keyboard firmware library with layers, macros, real-time keymap editing, wireless(BLE) and split support
About Haobogu Rmk
From the project's README at github.com/haobogu/rmk. Lightly cleaned for readability; for the full source see the upstream repo.
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中文 Features Broad microcontroller compatibility: Leveraging embassy, RMK supports a comprehensive range of microcontrollers, including stm32, nRF, rp2040(w), esp32, etc Dynamic keymap customization: RMK offers native Vial support, enabling real-time keymap modifications. You can even edit keymaps over BLE connections wirelessly Advanced keyboard functionality: RMK comes with lots of advanced keyboard features by default, includ
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 1.6k | github.com/haobogu/rmk |
| GitHub forks | 175 | github.com/haobogu/rmk |
| CRATES downloads (last month) | 5.1k | rmk |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 2.7 years | since Sep 2023 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 33 | last: 5 months ago |
| Funding links | 1 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
Ready to self-host Haobogu Rmk?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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