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Best CodePen Alternatives in 2026

12 apps from coding playgrounds ranked against CodePen on the same published basis.

  1. 1
    Replit Free plan AndroidiOSLinuxMacWeb $18/mo9.8
    CodePen vs Replit
  2. 2
    GitHub Codespaces Free plan AndroidapiextensioniOSLinux $0.07/mo9.4
    CodePen vs GitHub Codespaces
  3. 3
    Playcode Free plan AndroidiOSLinuxMacWeb $25/mo9.2
    CodePen vs Playcode
  4. 4
    Firebase Studio AndroidWeb 9.1
    CodePen vs Firebase Studio
  5. 5
    CodeSandbox WebiOS 9.0
    CodePen vs CodeSandbox
  6. 6
    Coder Free plan apiLinuxMacself-hostedWeb Free9.0
    CodePen vs Coder
  7. 7
    JupyterLab Free plan LinuxMacself-hostedWeb Free8.9
    CodePen vs JupyterLab
  8. 8
    Deepnote Free plan apiextensionLinuxMacself-hosted $3,920/mo8.9
    CodePen vs Deepnote
  9. 10
    Datalore Free plan apiLinuxself-hostedWeb 8.8
    CodePen vs Datalore
  10. 11
    Google Colab Free plan apiextensionWeb 8.7
    CodePen vs Google Colab
  11. 12
    JDoodle Free plan AndroidapiextensioniOSWeb 8.7
    CodePen vs JDoodle
  12. 13
    Observable Free plan self-hostedWeb $2,225/mo8.6
    CodePen vs Observable
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