Geophysics

Chemistry

Document Processing

  • Squoosh: Image compression web app provided by Googl
  • PDF2JPG: Free PDF to JPG converter
  • Smallpdf: Solve any problems with PDF (conversion, compression, rotate, merge, unlock)
  • ILovePDF: Every tool you need to work with PDFs
  • ILoveIMG: Every tool you need to work with images
  • Convertio: Converts for fonts, video, audio, presentation, image, ebook et al
  • Merge pdf in linux
  • cpdf: Trans-platform PDF process tookit
  • PDFtk: Trans-platform PDF process tookit
  • ImageMagick convert
  • Logoly: A Simple Online Logo Generator
  • WebPlotDigitizer: Web based tool to extract data from plots, images, and maps

Web

  • IPIP: The best IP database

Programming

ESL (English as a Second Language)

  • Grammarly: Free writing assistant to check your grammar

Life

Revision history

  • 2019-12-25: update some links, commit to seisman
  • 2019/11/07: initial draft, reference to Seisman’s links