There are a variety of mobile apps that work well in conjunction with SDF and can enhance your experience here. We will highlight open source/free software for the most part, only adding ‘pay’ software on request or when there is no other useful alternative.
Linphone – Open source VOIP/SIP client
JuiceSSH – SSH Client
Connectbot – Open source SSH/telnet client
K-9 Mail – Open source email client for advanced users
Xabber – Free Jabber/XMPP client
Overbite – Open source Gopher browser
Tusky – Open source Mastodon client
BBSSH – Free, open source SSH/telnet client
Monal - Free, open source Jabber/XMPP client
Amaroq – Free, open source Mastodon client
$Id: mobile.html,v 1.15 2019/12/02 16:53:28 thegiant Exp $ Mobile Applications on SDF - traditional link (using RCS)