# OpenLogi — Open-Source Logitech Options+ Alternative

> OpenLogi is a native, local-first desktop application that replaces Logitech Options+ for remapping mouse buttons, adjusting DPI, and configuring SmartShift — with no account or telemetry required.

## Install

Save as a script file and run:

# OpenLogi — Open-Source Logitech Options+ Alternative

## Quick Use
```bash
# Download the latest release for your platform from GitHub Releases
# or build from source:
git clone https://github.com/AprilNEA/OpenLogi.git
cd OpenLogi && cargo build --release
```

## Introduction
OpenLogi is a privacy-respecting replacement for Logitech Options+. It communicates directly with Logitech mice over the HID++ protocol, letting you remap buttons, tune DPI profiles, and configure SmartShift without creating an account or sending data to the cloud.

## What OpenLogi Does
- Remaps mouse buttons to custom actions and key combinations
- Adjusts DPI settings per-profile with fine-grained control
- Configures SmartShift scroll behavior on supported devices
- Runs entirely locally with zero network telemetry
- Supports Logitech MX Master and similar HID++ devices

## Architecture Overview
OpenLogi is built in Rust using the GPUI framework for its desktop interface. It communicates with Logitech devices over USB HID using the HID++ protocol, the same binary protocol that Logitech Options+ uses. All configuration is stored locally on disk, and no background daemon phones home.

## Self-Hosting & Configuration
- Available as a standalone desktop application for macOS and Linux
- Configuration files are stored in the user's home directory
- No cloud account or login required
- Device profiles can be exported and imported as JSON
- Requires USB HID access permissions on Linux (udev rules)

## Key Features
- Full button remapping including gesture-based actions
- Per-application DPI and button profiles
- SmartShift threshold and speed configuration
- Clean, modern UI built with Rust and GPUI
- No telemetry, no account, no cloud dependency

## Comparison with Similar Tools
- **Logitech Options+** — official but requires an account and sends telemetry; OpenLogi is fully local
- **Solaar** — Linux-only with a GTK interface; OpenLogi targets cross-platform with a modern Rust UI
- **LogiOps** — daemon-based Linux solution; OpenLogi provides a graphical interface
- **Piper (libratbag)** — focused on gaming mice; OpenLogi targets productivity peripherals

## FAQ
**Q: Which Logitech devices are supported?**
A: Devices using the HID++ protocol, primarily the MX Master series. Check the README for a full compatibility list.

**Q: Does it work on Windows?**
A: The primary targets are macOS and Linux. Windows support is in development.

**Q: Can I run it alongside Logitech Options+?**
A: It is recommended to uninstall Options+ to avoid conflicts over HID device access.

**Q: Is the HID++ protocol documented?**
A: Partially. OpenLogi relies on community reverse-engineering of the protocol, which is well-understood for common operations.

## Sources
- https://github.com/AprilNEA/OpenLogi

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Author: Script Depot