LFLinux Foundation Training & CertificationIntroduction to Linux (LFS101)The Linux Foundation's long-running free course on using Linux from the desktop and command line, through to basic shell scripting.Free certificateCloud & DevOps60 hrsBeginner
YALEYale University (Open Yale Courses)Death (PHIL 176)Shelly Kagan's Yale philosophy lectures on death, immortality and how mortality should shape life.No certificateWriting & HumanitiesSelf-pacedBeginner
MITMassachusetts Institute of TechnologyThe Missing Semester of Your CS EducationMIT's short course on the shell, Git, debugging and the tools every programmer uses.No certificateProgramming12 hrsBeginner