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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
The project lists 403 contributors on GitHub.
Peaked at #48 in the weekly ranking the week of Jan 11, its best in the past year.
Use Cases & Benefits
- Provides a modern embedded framework using Rust and async for safe, efficient, and concurrent embedded application development.
- Enables energy-efficient multitasking without an RTOS by using Rust's async/await, eliminating dynamic memory allocation and per-task stack tuning.
- Use for developing low-power IoT devices requiring cooperative multitasking and long battery life with minimal CPU wakeups.
- Use for building embedded networked applications with async TCP/IP, UDP, and Bluetooth Low Energy support on various microcontrollers.
- Use for creating USB device applications and custom USB classes with a device-side USB stack and rich builder API.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Apache 2.0
Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.
Community files
- README: present
- Contributing guide: present
Watch-outs
- No GitHub releases; pin a commit or tag instead of a release.
General guidance from repository metadata, not legal advice. How we score
From the README
Embassy is the next-generation framework for embedded applications. Write safe, correct, and energy-efficient embedded code faster, using the Rust programming language, its async facilities, and the Embassy libraries.
The Rust programming language is blazingly fast and memory-efficient, with no runtime, garbage collector, or OS. It catches a wide variety of bugs at compile time, thanks to its full memory- and thread-safety, and expressive type system.
Rust's async/await allows for unprecedentedly easy and efficient multitasking in embedded systems. Tasks get transformed at compile time into state machines that get run cooperatively. It requires no dynamic memory allocation and runs on a single stack, so no per-task stack size tuning is required. It obsoletes the need for a traditional RTOS with kernel context switching, and is faster and smaller than one!
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+391 stars over 88 days across 13 snapshot days; best day +14 on Sep 3.
Forks
1.7K+127
Open issues
578-37
Compared with peers in Backend
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| anthropics/skills | 192.3K | +5.2K | 75 | — |
| zed-industries/zed | 94.7K | +2.3K | 75 | 6 days ago |
| google/skills | 23.8K | +2.0K | 75 | — |
| NationalSecurityAgency/ghidra | 99.4K | +1.8K | 75 | 19 days ago |
| DuarteSantos8/openGym | 20.8K | +1.7K | 75 | 7 days ago |
| embassy-rs/embassy | 10.1K | — | 40 | — |
| Category median | 94.7K | +2.0K | 75 | — |
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