coscup-matterbot says to #coscup <instance0f> 是 source available, open contribution (https://github.com/n8n-io/n8n) 但不是 free software (edited) (re @bobchao: 順口提一下雖然我覺得 n8n 是蠻不錯的但他 //不是// open source 喔)