Yes, Lemmy in open source FOSS project, so is the Android app (Jerboa).
There is a other iOS app that is still in beta I think, it's called Mlem.
Jerboa is a native-android client for Lemmy, built using the native android framework, Jetpack Compose.
Warning: You can submit issues, but between Lemmy and lemmy-ui, I probably won't have too much time to work on them. Learn jetpack compose like I did if you want to help make this app better.
Jerboa is made by Lemmy's developers, and is free, open-source software, meaning no advertising, monetizing, or venture capital, ever. Your donations directly support full-time development of the project.
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Yes, Lemmy in open source FOSS project, so is the Android app (Jerboa).
There is a other iOS app that is still in beta I think, it's called Mlem.
Did you even try to search for the project? https://github.com/dessalines/jerboa You can find the licence and everything in there.
For the rest no idea, I'll let the dev answer if anything.
Here is Jerboa's open source license: AGPL-3.0
https://github.com/dessalines/jerboa/blob/main/LICENSE
It's also free in both the cost and liberty senses of the word.
Jerboa is made by Lemmy's developers, and is free, open-source software, meaning no advertising, monetizing, or venture capital, ever. Your donations directly support full-time development of the project.