lwIP
TI-84+ CE SoftwareCirca: 2023
A port of the lightweight IP network stack (lwIP) for low-resource embedded systems to the TI-84+ CE.
Check it out!CryptX
TI-84+ CE SoftwareCirca: 2024
A port and implementation of industry-standard cryptography to the TI-84+ CE.
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Blast File Integrity
TI-84+ CE SoftwareCirca: 2018
A simple file integrity monitor for the TI-84+ CE that uses SHA hashes to monitor changes to files, and even the OS. Comes with a community-sourced malware definitions file and can scan for them in the aforementioned.
Check it out!