| AccuTime | This JiBlet calibrates your button to keep track of standard time. The Button by itself only tracks the time since its birth. With this jiblet, you can determine the real time. |
| BusinessCard | This JiBlet stores personal information in the ring for retrieval by a BusinessCard reader program. |
| Commit2 | Tests the commit buffer used in transactions. There is no associated host demo on the internet for this JiBlet. |
| echoer | Slightly more complex than the standard echoer, this JiBlet returns your data permuted in some way (i.e. reversed, inversed, normal). There is no associated host demo on the internet for this JiBlet. |
| Math2 | This JiBlet performs some basic math functions on two numbers you supply to it. There is no associated host demo on the internet for this JiBlet. |
| Rand1 | This JiBlet returns a requested number of random bytes. |
| Sha1Test | This JiBlet performs the Sha1 hashing routine on the input data. |
| TicTacToe | This JiBlet allows you to play your button in a game of TicTacToe. You can also play two buttons against each other, if both are loaded with the TicTacToe JiBlet. |
| TestModExp | This JiBlet is only available for buttons of the new firmware version (those supporting JiBlets built with the jib33.jibdb database). It performs modular exponentiation on the input data. |
| Util1 | This JiBlet demonstrates the use of some system functions to access the button. The buttons returns its own class ID number, it current clock (giving its age since leaving the fab in seconds), and its own ROM ID. |