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Install Download.sa on iPhone or iPad: tap the Share button, then choose “Add to Home Screen”.

Open-source alternatives to PuTTY CAC

Projects with an open-source licence: you can inspect, modify and self-host the code.

Same categories and verticals plus the editors' list, in an independent order. Partners and ads never change it.

  1. RustDesk

    Purslane Ltd. (RustDesk)

    87

    Open-source remote desktop you can self-host

    Open source 90 WindowsLinuxmacOSAndroid
  2. rclone

    rclone (Nick Craig-Wood)

    87

    Sync files with 70+ cloud storage services

    Open source 89 WindowsLinuxmacOS
  3. KeePassXC

    KeePassXC Team

    87

    An offline, encrypted password manager

    Open source 88 WindowsLinuxmacOS
  4. Bitwarden

    Bitwarden Inc.

    87

    Open-source cloud password manager

    Open source 85 WindowsLinuxmacOSAndroid
  5. Ruqola

    KDE e.V.

    87

    Rocket.Chat client

    Open source 82 Windows
  6. WinSCP

    Martin Prikryl (WinSCP)

    87

    File transfer over SFTP, FTP and S3

    Open source 80 Windows
  7. WireGuard

    WireGuard (Jason A. Donenfeld)

    87

    A fast, modern and secure VPN protocol

    Open source 80 WindowsLinuxmacOSAndroid
  8. ClamAV

    Cisco Systems (ClamAV)

    87

    Open-source antivirus engine for servers

    Open source 78 WindowsLinuxmacOS
  9. Microsoft Azure Guest Proxy Agent

    Microsoft Corporation

    87

    This project introduces the Guest Proxy Agent (GPA) to enhance the security of the Azure Instance Metadata Service and Azure Wireserver endpoints (available in Azure IaaS VM/VMSS).

    Open source 77 Windows
  10. Microsoft Azure Kubelogin

    Microsoft Corporation

    87

    A Kubernetes credential (exec) plugin implementing Azure authentication.

    Open source 77 Windows
  11. Microsoft Azure Quick Review

    Microsoft Corporation

    87

    A tool to check compliance of Azure resources with Azure best practices and recommendations.

    Open source 77 Windows
  12. NeoChat

    KDE e.V.

    87

    Matrix Client

    Open source 77 WindowsLinux
  13. 87

    Secure two-factor authentication app by Proton

    Open source 70 Windows
  14. 87

    A desktop application used to sync your Bitwarden enterprise organization to an existing directory of users and groups.

    Open source 60 Windows
  15. Magika

    Google LLC

    87

    Fast and accurate AI powered file content types detection

    Open source 60 Windows
  16. Microsoft Ntttcp

    Microsoft Corporation

    87

    A Windows network throughput benchmark tool.

    Open source 32 Windows
  17. OnionShare

    Micah Lee, et al.

    75

    OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network

    Open source 77 WindowsLinux
  18. Signal

    Signal Messenger LLC

    72

    Private messaging, end-to-end encrypted

    Open source 85 WindowsLinuxmacOSAndroid
  19. Wireshark

    Wireshark Foundation

    72

    Professional network packet analysis

    Open source 80 WindowsLinuxmacOS
  20. FileZilla Client

    Tim Kosse (FileZilla)

    72

    The popular FTP and SFTP client

    Open source 77 WindowsLinuxmacOS
  21. 1PhoneMirror

    MSEndpointMgr

    67

    Wireless screen mirroring for iOS (AirPlay) and Android (scrcpy) on Windows.

    Open source 77 Windows
  22. 2FAGuard

    Timo Kössler

    67

    A modern and secure Windows app for managing your 2FA authentication codes

    Open source 77 Windows
  23. 3va

    OdinoCano

    67

    Secure-by-default JavaScript and TypeScript runtime.

    Open source 77 Windows
  24. AeroFTP

    axpnet

    67

    A modern, multi-protocol file manager and FTP client with integrated AI, cloud sync, and military-grade encryption.

    Open source 77 Windows
  25. age

    FiloSottile

    67

    A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

    Open source 77 Windows
  26. agentbridge

    AGNTCY

    67

    CLI binary for the agentbridge general-purpose agent interconnect.

    Open source 77 Windows
  27. ALEAPP

    abrignoni

    67

    Android Logs Events And Protobuf Parser

    Open source 77 Windows
  28. 67

    VPN client

    Open source 77 macOS
  29. Angry IP Scanner

    Angry IP Scanner

    67

    Angry IP scanner is a very fast IP address and port scanner.

    Open source 77 WindowsLinux
  30. Apollo

    Yukino Song

    67

    Sunshine fork - The easiest way to stream with the native resolution of your client device.

    Open source 77 Windows

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Install Download.sa on iPhone or iPad: tap the Share button, then choose “Add to Home Screen”.