C library for sending e-mail (with attachments) from C/C++
...Also comes with a command line application (quickmail) for sending mails (mutiple attachments supported) from command line or scripts.
Cross-platform.
Binary packages available for Windows (32-bit and 64-bit).
WebDAV client 64-bit works with Plone 5, Apache and more
...Includes PROPFIND, PROPPATCH, LOCK ,UNLOCK ,VERSION-CONTROL,REPORT. HTTP(S) with Basic Authentication and PKI client and server Certificates. Works with Plone, Zope, Apache + mod_dav, PyWebDAV, PyDAV, Tamino.
64-bit wxPython used. Upload files or from Web. Update properties. Tested with Plone 5.04