开源软件
你会得到一个搜索查询，请查找与查询最相关的前5个网页并输出它们的URL。
https://opensource.com/, https://en.wikipedia.org/wiki/List_of_open-source_software, https://www.slant.co/topics/7625/~open-source-software, https://www.techopedia.com/definition/16575/open-source-software, https://en.wikipedia.org/wiki/Open-source_software.