Well, We should respect contributors. It is upto contributor to release their code unless he is redistributing app with viral license like GPL. Here neither bi

Well, We should respect contributors. It is upto contributor to release their code unless he is redistributing app with viral license like GPL. Here neither big companies nor the sole maintainer is breaching any license clause. If anyone want to get the project mainstream, just find and fork the last open-source code version available, fork it and contribute/maintain/re-license as needed use case. another options is to, hire/contract the sole maintainer to develop needed feature of current version.