Click was preceded by Alex Larsson's glick project, see this page from October 2007. https://web.archive.org/web/20071012194830/http://www.gnome.org/~alexl/gli

Click was preceded by Alex Larsson's glick project, see this page from October 2007. https://web.archive.org/web/20071012194830/http://www.gnome.org/~alexl/glick/ https://web.archive.org/web/20071012194830/http://www.gnome.... There was also glick2 in 2011. https://web.archive.org/web/20111022070435/http://people.gnome.org/~alexl/glick2/ https://web.archive.org/web/20111022070435/http://people.gno... You may have heard of Alex Larsson as author of xdg-app. I think the oldest related project was Klik, started in 2004 (and later renamed to AppImage). This is his blog about the history of Flatpak. https://blogs.gnome.org/alexl/2018/06/20/flatpak-a-history/ https://blogs.gnome.org/alexl/2018/06/20/flatpak-a-history/ Also, the reason why Canonical have "a problem getting the community involved" is that they put a KEEP OUT sign on every one of their projects in the form of a CLA requiring copyright assignment.