Here’s a solid, balanced review of a typical ZKTeco DAT file reader (software or tool used to read attendance logs from ZKTeco devices that store data in .dat format). You can adapt this for a software listing, blog comment, or forum post.
Timestamp: The exact date and time of the punch (clock-in/out). zkteco dat file reader
Several developers have created small executables that can parse the ZKTeco database format and export it to Excel (XLS) or CSV. Here’s a solid, balanced review of a typical