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

Open-source alternatives to PuTTY

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. restic

    restic authors

    87

    Secure command-line backups

    Open source 81 WindowsLinuxmacOS
  4. WinSCP

    Martin Prikryl (WinSCP)

    87

    File transfer over SFTP, FTP and S3

    Open source 80 Windows
  5. WireGuard

    WireGuard (Jason A. Donenfeld)

    87

    A fast, modern and secure VPN protocol

    Open source 80 WindowsLinuxmacOSAndroid
  6. ClamAV

    Cisco Systems (ClamAV)

    87

    Open-source antivirus engine for servers

    Open source 78 WindowsLinuxmacOS
  7. Az

    Microsoft Corporation

    87

    PowerShell cmdlets for developers and administrators to develop, deploy, administer, and manage Microsoft Azure resources.

    Open source 77 Windows
  8. Microsoft ASP.NET Core Runtime 8.0

    Microsoft Corporation

    87

    .NET is a free, cross-platform, open-source developer platform for building many different types of applications.

    Open source 77 Windows
  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 Service Fabric

    Microsoft Corporation

    87

    Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful distributed applications and containers at large scale.

    Open source 75 Windows
  12. WebLogic Remote Console

    Oracle Corporation

    87

    WebLogic Remote Console is a lightweight, open source console that you can use to manage your WebLogic Server domain running anywhere, such as on a physical or virtual machine, in a container, Kubernetes, or in the Oracle Cloud.

    Open source 75 Windows
  13. DSC v3

    Microsoft Corporation

    87

    An open source command line application that abstracts the management of software components declaratively and idempotently.

    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. Microsoft IIS Compression

    Microsoft Corporation

    87

    A bundle of two IIS compression scheme providers iisbrotli.dll and iiszlib.dll that enable IIS to compress HTTP response contents. iisbrotli.dll supports Brotli compression, while iiszlib.dll supports both Gzip and Deflate compression.

    Open source 32 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 Windows
  18. Wireshark

    Wireshark Foundation

    72

    Professional network packet analysis

    Open source 80 WindowsLinuxmacOS
  19. FileZilla Client

    Tim Kosse (FileZilla)

    72

    The popular FTP and SFTP client

    Open source 77 WindowsLinuxmacOS
  20. New API

    Quantum Nous

    72

    新一代大模型网关与 AI 资产管理系统

    Open source 60 Windows
  21. 1PhoneMirror

    MSEndpointMgr

    67

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

    Open source 77 Windows
  22. 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
  23. Algernon

    Alexander F. Rødseth

    67

    Small self-contained pure-Go web server with Lua, Markdown, HTTP/2, QUIC, Redis and PostgreSQL support

    Open source 77 Windows
  24. Alist

    Alist

    67

    A file list program that supports multiple storage, powered by Gin and Solidjs.

    Open source 77 Windows
  25. alter

    thechandanbhagat

    67

    A process manager for developers - run and manage any application

    Open source 77 Windows
  26. Angry IP Scanner

    Angry IP Scanner

    67

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

    Open source 77 WindowsLinux
  27. Apache Lounge httpd

    Apache Lounge

    67

    httpd for Windows

    Open source 77 Windows
  28. Apollo

    Yukino Song

    67

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

    Open source 77 Windows
  29. Aura

    EnvBox

    67

    A Windows process-level environment virtualization launcher that shows target apps virtualized locale, region, language, timezone, and DNS values.

    Open source 77 Windows
  30. Avash

    Adrien Cros

    67

    Native, fast and secure SSH, RDP and VNC connection manager

    Open source 77 Windows

Install Download.sa on your device

Open it from your home screen in one tap, in its own window.

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