MatrixSSL is an embedded SSL and TLS implementation designed for small footprint devices and applications requiring low overhead per connection. The library is less than 50K on disk with cipher suites. It includes SSL and TLS client and server support, session resumption, and implementations of RSA, AES, 3DES, ARC4, SHA1, and MD5. The source is well documented and contains portability layers for additional operating systems, cipher suites, and cryptography providers.
Serv-U FTP Server is a Web, mobile device, SFTP, and FTPS file transfer server. It handles hundreds of GBs per day and thousands of users. The advanced Web interface permits transfer of multiple, large files in a single operation. It supports mobile devices including iPad, iPhone, and Android, as well as IPv6, FIPS 140-2, and more.