A book about GUI development with Relm4 stable: https://relm4.org/book/stable development ("next" branch): https://relm4.org/book/next Contributions and improvements are always welcome! Old versions 0.4: https://relm4.org/book/0.4 0.5: https://relm4.org/book/0.5 0.6: https://relm4.org/book/0.6 0.7: https://relm4.org/book/0.7