1. ffmpegthumbnailer:截取视频某一帧

     install : brew install ffmpegthumbnailer
     usage: ffmpegthumbnailer -i hello.mp4 -o hello.png -s 0 #截取视频hello.mp4 第一帧保存为 hello.png
    
  2. pdftotext: pdf转文本

     install: brew cask install pdftotext
     usage: pdftotext input.pdf output.txt
    
  3. imgcat: show image in terminal

     usage: imgcat hello.png
    
  4. mediainfo: show mediainfo of mediafile

     install: brew install mediainfo
    
  5. mpv: play video

     install: brew install mpv
    
  6. htop: monitor

  7. mdr: MarkDown Renderer for the terminal

  8. glow: Render markdown on the CLI, with pizzazz! 💅🏻

  9. pwm: 自用的密码管理工具