CSDN博客

CSDN创立于1999年，是中国最大的IT社区和服务平台，为中国的软件开发者和IT从业者提供知识传播、职业发展、软件开发等全生命周期服务，满足他们在职业发展中学习及共享知识和信息、建立职业发展社交圈、通过软件开发实现技术商业化等刚性需求。拥有超过3000万注册会员（其中活跃会员800万）、50万注册企业及合作伙伴。

CSDN was founded in 1999, is China's largest IT community and service platform for Chinese software developers and IT professionals to provide knowledge dissemination, professional development, software development lifecycle services that meet their learning and share in professional development knowledge and information, the establishment of career development circles, develop implementation technology commercialization rigid requirements through software. Has over 30 million registered members (of which 8 million active members), 500 000 registered companies and partners.