| Psi | Instant Messaging Application | Secure Conference Texting | Secure Instant Messaging | |
| 1.5.2041.0 | 7.3.9.8 | 2 | 0.3 | |
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| Open Source | Shareware | Shareware | Commercial | Licence |
| FREE | $49.00 | $25.00 | $0.99 | Price |
| 104.00 MB | 7.32 MB | 5.95 MB | 17.86 MB | File size |
| Oct 2, 2024 | Feb 17, 2024 | Feb 20, 2019 | Oct 17, 2017 | Update |
| 61 | 39 | 24 | 46 | Downloads |
| Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit | Windows 11, Windows 10, Windows 10 x64, Windows 8, Windows 7x32, Windows 7x64, Windows Vista, Windows Vista x64, Windows XP, Other | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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