hiː kɹiːˈeɪɾᵻd ænd meɪntˈeɪnz pˈuː tˌiːtˌiːwˈaɪ, ɐ fɹˈiː sˈɔftwɛɹ ˌɪmplɪməntˈeɪʃən ʌv sᵻkjˈʊɹ ʃˈɛl ˌɛsˌɛsˈeɪtʃ ænd tˈɛlnɪt fɔːɹ mˈaɪkɹəsˌɑːft wˈɪndoʊz ænd jˈuːnɪks, ɐlˈɔŋ wɪð ɐn ˈɛkstˈɜːm tˈɜːmɪnəl ˈɛmjʊlˌeɪɾɚ.
He created and maintains PuTTY, a free software implementation of Secure Shell (SSH) and Telnet for Microsoft Windows and Unix, along with an xterm terminal emulator.