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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/mo8.4
    CodePen vs Replit
  2. 2
    GitHub Codespaces Free plan AndroidapiextensioniOSLinux $0.07/mo8.2
    CodePen vs GitHub Codespaces
  3. 3
    Playcode Free plan AndroidiOSLinuxMacWeb $25/mo8.1
    CodePen vs Playcode
  4. 4
    JupyterLab Free plan LinuxMacself-hostedWeb Free8.0
    CodePen vs JupyterLab
  5. 5
    Coder Free plan apiLinuxMacself-hostedWeb Free8.0
    CodePen vs Coder
  6. 6
    Datalore Free plan apiLinuxself-hostedWeb 7.9
    CodePen vs Datalore
  7. 7
    Deepnote Free plan apiextensionLinuxMacself-hosted $3,920/mo7.9
    CodePen vs Deepnote
  8. 9
    Google Colab Free plan apiextensionWeb 7.8
    CodePen vs Google Colab
  9. 10
    StackBlitz Free plan apiself-hostedWeb Free7.8
    CodePen vs StackBlitz
  10. 11
    Kaggle Notebooks Free plan apiWeb Free7.7
    CodePen vs Kaggle Notebooks
  11. 12
    Observable Free plan self-hostedWeb $2,225/mo7.7
    CodePen vs Observable
  12. 13
    Val Town Free plan apiWeb $1.75/mo7.7
    CodePen vs Val Town
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