There are plenty of great OSS that looks great but they are often backed or owned by a real company and not just a community project. Gitlab, Firefox, VLC, Blender, VScode or BBB, Jitsi Meet for videoconference...
Most of the projects you listed, aren't developed in the `Bazaar` environment. They have a complete team with managers, designers and developers working full time in cohesion. They are cathedrals, who open sourced the product.
blackoil|5 years ago