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17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

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社会研究方法


Master 社会科学研究的基本原理和方法，从选题、文献综述到研究设计、质性与定量分析。通过实践练习培养科学研究能力，掌握调查资料收集与分析技巧。
- XuetangX
- Self-Paced
- Free Online Course
Zhejiang University
组织行为学


Discover key principles of organizational behavior, from individual differences and motivation to team dynamics and leadership, with practical applications in Chinese management contexts.
- XuetangX
- Self-Paced
- Free Online Course
公路交通创新创业方法与案例


探索公路交通领域的创新创业机遇，掌握从创意到实践的完整流程，结合前沿技术和实战案例，培养创新思维和创业能力，为交通行业发展储备创新型人才。
- XuetangX
- Self-Paced
- Free Online Course
混合集成电路芯片测试


Master practical integrated circuit testing techniques through hands-on projects covering operational amplifiers, power management chips, EEPROM, MCU, and ADC components, combining theoretical principles with industry applications.
- XuetangX
- Self-Paced
- Free Online Course
半导体工艺与器件


Dive into semiconductor physics, device principles, and integrated circuit manufacturing processes, covering crystal structures, basic devices, and fabrication techniques for microelectronics engineering.
- XuetangX
- Self-Paced
- Free Online Course
半导体器件检测技术


Master semiconductor device testing methods, from basic electrical measurements to advanced surface analysis techniques and microscopy tools for accurate material characterization and performance evaluation.
- XuetangX
- Self-Paced
- Free Online Course
规划“线”“概”，随遇未来——生活中的线代概率


Explore linear algebra and probability theory applications in everyday life, from solving equations with matrices to understanding randomness through statistical frameworks.
- XuetangX
- Self-Paced
- Free Online Course
商务数据分析


掌握商务数据分析的核心技能，从Python基础到高级模型应用，通过实践案例学习如何收集、处理数据并提供决策依据，培养数据分析思维。
- XuetangX
- Self-Paced
- Free Online Course
脑科学与脑疾病


Explore brain science fundamentals, from development and functional regions to disorders like autism and stroke, while learning about cutting-edge rehabilitation techniques and frontier technologies in neuroscience.
- XuetangX
- Self-Paced
- Free Online Course
Zhejiang University
运营管理与分析


Explore operations management fundamentals, strategies, and analytical tools for manufacturing and service industries, focusing on cost reduction, quality control, and competitive advantage in the digital economy.
- XuetangX
- Self-Paced
- Free Online Course
模式识别与机器学习


《模式识别与机器学习》在线课程主要对模式识别的基本理论与任务、机器学习方法的原理与应用进行讲解，可适用于工科学习，或者对人工智能领域感兴趣的从业人员。
- XuetangX
- Self-Paced
- Free Online Course
机械制造工艺学


Delve into the principles, methods, and techniques of mechanical manufacturing technology, essential for designing and producing major engineering equipment and solving manufacturing challenges.
- XuetangX
- Self-Paced
- Free Online Course
计算机通信


掌握计算机网络与通信系统的基础理论与应用技术，包括网络协议、数据传输、无线通信、网络安全及光纤通信等，培养解决实际通信问题的能力。
- XuetangX
- Self-Paced
- Free Online Course
跨境电商运营


跨境电商运营课，专为本科生定制！打破学术与实践壁垒，带你从0到1搭建店铺，吃透平台规则，用数据驱动技术，掌握独家运营策略，拓宽国际视野，为你解锁无限可能的职业未来！
- XuetangX
- Self-Paced
- Free Online Course
人体发育学


了解人体发生、发育全过程及其变化规律，加深理解康复治疗技术，提高治疗效果，帮助患者重获日常生活和社会活动能力。
- XuetangX
- Self-Paced
- Free Online Course

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