Debugger
Stop on a line, look at everything
Ruststudio drives lldb-dap, the debug adapter from LLVM.
Learn more: Stop on a line, look at everything
Write, build, debug and ship Rust in one fast app that is itself written in Rust.
Free for personal and commercial use, on Windows, macOS and Linux.
borrow of moved value: `slow_editor` --> everyday_work.rs:1:11 | 1 | let ide = slow_editor.open(project); | ^^^^^^^^^^^ moved here help: consider a native one 1 | let ide = ruststudio.open(project);
01What you get
axum with React, Vue, Svelte or Angular, a dev proxy, Swagger UI and a one-executable release.
Slint and egui templates that run as a desktop window first, then on a phone.
A .rssln holds many projects, a startup project and Debug or Release.
28 connectors for 17 databases, each added with a runnable example.
Completion, hover, go to definition, live errors, format, find and replace, go to symbol.
Also built in: rupm, NuGet and npm · Git and terminalSee everything it does
02 Native
Installs per user, no administrator rights · Free for personal and commercial use · No tracking of your code
03A closer look
Debugger
Ruststudio drives lldb-dap, the debug adapter from LLVM.
Learn more: Stop on a line, look at everything

AI assistant
Anthropic, OpenAI, Google Gemini and the many services that speak the OpenAI format, or a model on your own machine with Ollama, LM Studio or llama.cpp.
Cargo Cleaner
Every target folder and cargo cache in one list, largest first, with the project and the day it was last built.
04 In short
Ruststudio is a free, native integrated development environment (IDE) for the Rust programming language, made by FOWLGUARD, Inc. for Windows, macOS and Linux. It combines a rust-analyzer editor, Cargo builds, an lldb-dap debugger, project templates for web, desktop and Android apps, package views and an AI assistant that uses your own keys.
| Product | Ruststudio, an IDE for Rust |
|---|---|
| Made by | FOWLGUARD, Inc. |
| Runs on | Windows 10 and 11 (64-bit), macOS 11 or later (Apple silicon and Intel), Linux (x86-64, X11 or Wayland) |
| Price | Free for personal and commercial use |
| Licence | Closed-source freeware |
| Account | Use it for 7 days, then sign up free with your e-mail address |
| Install | Per user, no administrator rights |
| Code intelligence | rust-analyzer |
| Debugger | lldb-dap from LLVM |
| Written in | Rust |
05Community
The Ruststudio community forum is where users ask questions, share projects and suggest features.
06Questions
Something else? Ask in the community forum or send feedback.
Yes. Ruststudio is free for personal and commercial use, with no licence key and nothing to pay. Use it for 7 days straight away; after that you sign up for a free account with your e-mail address. It is closed-source freeware.
Yes. Ruststudio runs on x86-64 Linux under X11 or Wayland. Unpack the archive and run ./install.sh to install it for your user without root, or install the .deb package on Debian and Ubuntu. Install Rust with rustup to build projects.
Both use rust-analyzer for completion, errors and go to definition. VS Code is a general-purpose editor in which Rust support comes from extensions you choose and configure. Ruststudio is a native program written in Rust and made only for Rust: the debugger, solutions with many projects, web, desktop and Android templates, database connectors, the Cargo Cleaner and the rupm, NuGet and npm views are built in.
Yes. The Slint and egui templates make native Android apps with no web view. The same code runs as a desktop window while you develop, and tasks build, install and start the APK on a phone. Ruststudio checks the Android SDK, NDK, adb, JDK, the Rust Android targets and cargo-apk and shows the command for what is missing. Native iOS support is in development and will need a Mac with Xcode.
No. Ruststudio does not look at or upload your code. It counts installs with a random install id, its version and your system, and checks once a day for a newer version. The AI assistant sends only what you attach, and only to the provider you configured. Crash reports are sent only after you have seen them and agreed. See the privacy notice for everything the app and the website store.
Anthropic Claude, OpenAI, Google Gemini, Alibaba Qwen, DeepSeek, Mistral, Groq, xAI, OpenRouter, Together, Moonshot and Zhipu with your own API key, or a model on your own machine with Ollama, LM Studio or llama.cpp, which need no key.
Windows 10 and 11 (64-bit), macOS 11 or later (Apple silicon and Intel) and Linux (x86-64, X11 or Wayland). You can build for the desktop, the web and Android from it. Native iOS support is in development and will need a Mac with Xcode.
No. It is closed-source freeware: free to use, with the source not published. It is built from open-source Rust libraries, whose licences are listed in the third-party notices.
Ruststudio is a product of FOWLGUARD, Inc., the company behind Fowlguard Secure and Fowlguard Productivity. It is one of its free tools; see fowlguard.com.
Free for personal and commercial use. Use it for 7 days, then sign up free with your e-mail address.