Apps like Tessercube

Here are some great alternatives to Tessercube by Dimension HQ :
OpenKeychain: Easy PGP
OpenKeychain: Easy PGP
★4.1
K-9 Mail
K-9 Mail
★3.4
Conversations (Jabber / XMPP)
Conversations (Jabber / XMPP)
★4.2
aTalk (Jabber / XMPP)
aTalk (Jabber / XMPP)
★4.1
RubyGram
RubyGram
★4.6
Cryptool
Cryptool
★4.3
ArmorText
ArmorText
★4.4
Messenger - SMS Short Messages
Messenger - SMS Short Messages
★4.3
Anonymous Messenger
Anonymous Messenger
★3.7
Handcent Next SMS messenger
Handcent Next SMS messenger
★4.5
Amharic Keyboard
Amharic Keyboard
★3.7
BIG SMS for Seniors
BIG SMS for Seniors
★4.0
Messages - Text sms & mms
Messages - Text sms & mms
★3.9
Receive SMS Plus
Receive SMS Plus
★4.6
Bruno the Jabber Bear (XMPP)
Bruno the Jabber Bear (XMPP)
★3.7
Litegram Messenger
Litegram Messenger
★3.8