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

  • Stop vibe-debugging. Icon
    Stop vibe-debugging.

    Plug Claude into your app's actual errors.

    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
    Free 30 days.
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New to Google Cloud? Get $300 in credits to explore Compute Engine, BigQuery, Cloud Run, Gemini Enterprise Agent Platform, and more.

    Start your next project with $300 in free Google Cloud credit. Spin up VMs, run containers, query petabytes in BigQuery, or build agents with Gemini Enterprise Agent Platform. Once your credits are used, keep building with 20+ always-free tier products including Compute Engine, Cloud Storage, GKE, and Cloud Run functions. No commitment required—just sign up and start building.
    Claim $300 Free
  • 1
    SimpleMail is a free program that uses UAP (Unwanted Access Protection) in order to keep you safe from hackers, viruses, and spammers by removing all JavaScript, ActiveX and pictures from e-mails to ensure the highest protection while viewing e-mail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    An open-source cross-platform (Mac/Windows/Linux) email client written in REALbasic, with a user interface inspired by Apple Mail but an enhanced feature set.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
Auth0 Logo