head to head · open source
gofr vs defmt
gofr has 20,817 GitHub stars, 1,790 forks, 132 open issues and last shipped 2 days ago. defmt has 1,241 stars, 135 forks, 117 open issues and last shipped 3 days ago. gofr leads on adoption by 1,577% (20,817 vs 1,241 stars). gofr is written in Go under Apache-2.0; defmt is written in Rust under Apache-2.0. gofr has attracted 9% as many forks as stars, defmt 11%. gofr was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (logging), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| gofr | defmt | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 1.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Rust |
| Last push | 2026-11-03 | 2026-11-02 |
| Forks | ⑂ 1.8K | ⑂ 135 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gofr if
- You weight community size — 21K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick defmt if
- You want the defmt feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and defmt fits your workflow better
About gofr
Go Fr GoFr: An Opinionated Microservice Development Framework Listed in the CNCF Landscape 🎯 Goal GoFr is designed to simplify microservice development , with a key focus on Kubernetes deployment and out of the box observability . While capable of building generic applications, microservices remain at its core. 💡 Key Features 1. Simple API Syntax 2. REST Standards by Default 3. Configuration Management 4. Observability (Logs, Traces, Metrics) 5. Inbuilt Auth Middleware & Custom Middleware Support 6. gRPC Support 7. HTTP Service with Circuit Breaker Support 8. Pub/Sub 9. Health Check for All Datasources 10…
About defmt
defmt defmt ("de format", short for "deferred formatting") is a highly efficient logging framework that targets resource constrained devices, like microcontrollers. For more details about the framework check the book at . Components This repository contains the following packages: MSRV The minimum supported Rust version is 1.76 (or Ferrocene 24.05) for the crates that cross compile to your microcontroller. The minimum supported Rust version is 1.83 for all host side crates. The defmt crates are tested against the latest stable Rust version and the MSRV. Developer Information Running Tests Tests are run using…
read the full defmt overview →
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Frequently asked questions
Is gofr or defmt more popular?
gofr has 20,817 GitHub stars and defmt has 1,241. gofr has the larger community by that measure.
Are gofr and defmt free?
Both are open source. gofr is licensed under Apache-2.0 and defmt under Apache-2.0. Neither carries a licence fee.
What is the difference between gofr and defmt?
gofr is written in Go and defmt in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, gofr or defmt?
Choose gofr if you want the larger community (20,817 stars) or its Apache-2.0 licence terms. Choose defmt if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.