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On the recordRead 11 Oct 202616 facts
PuTTY
Plans and prices
PuTTY
Free
Free implementation; Windows and Unix; latest release 0.85
Read 11 Oct 2026 · chiark.greenend.org.uk
On the record
- Additional utilities
- The PuTTY suite includes PSCP, PSFTP, Plink, Pageant and PuTTYgen utilities.chiark.greenend.org.uk · read 11 Oct 2026
- Current security update
- The team says PuTTY 0.85, released 2026-08-16, fixes multiple security issues, including a potentially dangerous Pageant issue involving SSH agent forwarding.chiark.greenend.org.uk · read 11 Oct 2026
- Download integrity
- The team creates GPG signatures for files distributed from its website, and Windows executables and installers also contain built-in Authenticode signatures.chiark.greenend.org.uk · read 11 Oct 2026
- File transfer
- PSCP and PSFTP provide file transfer, and PSCP uses SFTP when possible, falling back to the older SCP protocol when needed.chiark.greenend.org.uk · read 11 Oct 2026
- License
- PuTTY executables and source code are distributed under the MIT licence.chiark.greenend.org.uk · read 11 Oct 2026
- Maintainer
- PuTTY is maintained by a small team based in Cambridge, England, with Simon Tatham as project originator and main developer.chiark.greenend.org.uk · read 11 Oct 2026
- Password storage limit
- PuTTY does not remember passwords in its settings.chiark.greenend.org.uk · read 11 Oct 2026
- Proxies
- PuTTY supports proxying via another SSH server and HTTP Digest authentication for HTTP proxies.chiark.greenend.org.uk · read 11 Oct 2026
- SSH features
- PuTTY supports public key authentication and port forwarding, and lets users reconfigure port forwardings during a session.chiark.greenend.org.uk · read 11 Oct 2026
- Support
- The maintainers say they cannot answer all support emails and recommend public forums or local experts for support questions.chiark.greenend.org.uk · read 11 Oct 2026
- Supported platforms
- Windows and Unixchiark.greenend.org.uk · read 20 Sep 2026
- Supported systems
- Released PuTTY tools run on Windows and Unix; Windows executables are provided for x86 and Arm, while Unix is provided as source code.chiark.greenend.org.uk · read 11 Oct 2026
- Terminal emulator
- PuTTY includes an xterm terminal emulator.chiark.greenend.org.uk · read 11 Oct 2026
- Unsupported mobile platforms
- The team says it has no release-quality ports for Android, iOS or other systems beyond Windows and Unix.chiark.greenend.org.uk · read 11 Oct 2026
- What it does
- PuTTY is an SSH client for remote terminal sessions and also supports serial connections, Telnet, Rlogin and SUPDUP.chiark.greenend.org.uk · read 11 Oct 2026
