Browse free open source Code Editors and projects below. Use the toggles on the left to filter open source Code Editors by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
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    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • 1
    Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
    Leader badge
    Downloads: 1,141 This Week
    Last Update:
    See Project
  • 2

    Retro_Calc-Watch

    The simple Win-GUI oriented Calculator with time showing option.

    Totally open source, made by FreeBasic compiler, with FBEdit (FreeBasic code editor) user friendly environment help created. The new style of buttons layout, based on the retro, analog clock board look, with digital LCD screen. You can free modify this code to learn, how FreeBasic works. Enjoy!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    The Revolution-FX project goal is to provide the best platform for developing applications for the CASIO fx-9860G graphing calculator. Revolution-FX components include addheader, code editor, a hardware library, and works with the GNU toolchain.
    Downloads: 0 This Week
    Last Update:
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