When comparing Goji vs Iris, the Slant community recommends Goji for most people. In the question“What are the best web frameworks for Go?” Goji is ranked 10th while Iris is ranked 13th. The most important reason people chose Goji is:
Goji is an abstraction layer over the standard Go library (which has support for HTTP) and added Einhorn support. There's probably very little you can do with Goji that you can't do with the standard library and a bit of elbow grease. This makes Goji an extremely lightweight and fast framework.
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Pros
Pro Great performance
Goji is an abstraction layer over the standard Go library (which has support for HTTP) and added Einhorn support. There's probably very little you can do with Goji that you can't do with the standard library and a bit of elbow grease.
This makes Goji an extremely lightweight and fast framework.
Pro Socket manager integration
Goji integrates with Einhorn, which is a language agnostic socket manager. Making it possible to have websocket support in Goji.
Pro No need to find and install external libraries
Iris is a "batteries included" web framework, which means that a lot of features already come out of the box. This way you don't have to spend time and find third-party libraries to integrate to the framework for most of the tasks you need to complete.
Pro Efficiency
Efficiency by using a light engine.
Pro Development
Pro API
If you're familiar with expressjs or other modern web frameworks, Iris will make you feel at home.
Pro More than feature complete
Pro More than 250 examples
More than 250 examples for implementing web application.
Pro Low amount of bugs
Most issues are questions, few bug reports and if a bug is found it's quickly patched.
Pro Good for big projects
Iris is a good framework for big projects and the author helps solving problems.
Cons
Con Doesn't add a lot of functionality on top of the standard library
Most of the tasks that Goji is used for can be completed with standard library support without adding the overhead of an additional external library and without having the risk of Goji development being abandoned one day.
Con Previously experience with net/http
Previously experience with the Go's standard net/http package is necessary for you to move forward with Iris.