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   * [crypteron.com](https://www.crypteron.com/) — Cloud-first, developer-friendly security platform prevents data breaches in .NET and Java applications
   * [Dependabot](https://dependabot.com/) Automated dependency updates for Ruby, JavaScript, Python, PHP, Elixir, Rust, Java (Maven and Gradle), .NET, Go, Elm, Docker, Terraform, Git Submodules and GitHub Actions.
   * [DJ Checkup](https://djcheckup.com) — Scan your Django site for security flaws with this free, automated, checkup tool. Forked from the Pony Checkup site.
+  * [Doppler](https://doppler.com/) — Universal Secrets Manager for application secrets and config, with support for syncing to various cloud providers. Free for unlimited users with basic access controls.
   * [duo.com](https://duo.com/) — Two-factor authentication (2FA) for website or app. Free for 10 users, all authentication methods, unlimited, integrations, hardware tokens
   * [Firebase Auth](https://firebase.google.com/products/auth/) — Free end-to-end identity solution, email and password accounts, Google, Twitter, Facebook, GitHub login, phone auth (up to 10k/month), and more.
   * [foxpass.com](https://www.foxpass.com/) — Hosted LDAP and RADIUS. Easy per-user logins to servers, VPNs and wireless networks. Free for 10 users