Apps like SL2™

Here are some great alternatives to SL2™ by CellTrust Corporation :
BabelApp
BabelApp
★4.9
Seecrypt Enterprise
Seecrypt Enterprise
★3.7
Cellcrypt Enterprise
Cellcrypt Enterprise
★3.4
Silent Phone - Secure Calling
Silent Phone - Secure Calling
★3.9
Unity-Mobile
Unity-Mobile
★3.6
SMART Comms
SMART Comms
★3.5
Vocera Vina
Vocera Vina
★4.0
Cloudli Phone App
Cloudli Phone App
★3.8
101VOICE Mobile SoftPhone
101VOICE Mobile SoftPhone
★4.5
JPS VIA
JPS VIA
★3.6
Mobile Security for Business
Mobile Security for Business
★4.6
Vitelglobal
Vitelglobal
★4.2
Secure messenger SafeUM
Secure messenger SafeUM
★3.4
AgniTalk
AgniTalk
★3.6
SaltIM
SaltIM
★4.2
StealthTalk: Private Messenger
StealthTalk: Private Messenger
★4.1