2022 年，开源中国 (OSCHINA) 正式收购日本老牌开源社区 OSDN。 OSDN 是一个支持开源软件开发和协作的平台，全称为 Open Source Development Network。它提供了一系列免费工具和服务，帮助开源开发者组织、管理和…

translation to En:

In 2022, Open Source China (OSCHINA) officially acquires OSDN, a long-established open source community in Japan.
OSDN is a platform that supports open source software development and collaboration, known as Open Source Development Network (OSDN), which provides a range of free tools and services to help open source developers organize, manage, and publish open source software projects, with the goal of fostering collaboration and knowledge sharing in the open source community, and advancing the development of open source software.