tsr (Transport Stream Reader) by Yuwu (Bruin) Xiong, the predecessor of tstool, targets to Win32, with GUI. Binary and source are free for download. Development of tsr was postponed.
TSA (Transport Stream Analyser) from Softel, commercial software, trial version available.
MPEGID (MPEG Stream Identifier), commercial software from Manzanta, trial version available.
bbTOOLS, a famous open sourced command line tool kit, including bbDMUX, a MPEG-1 or MPEG-2 program/transport stream de-multiplexor, bbINFO, an MPEG-1 or MPEG-2 program/transport stream analyzer, bbVINFO, an MPEG-1 or MPEG-2 video stream analyzer and bbAINFO, an MPEG-1 audio stream analyzer. A port to Mac OS is also available on www.sourceforge.net