An comprehensive and easy to use frequency analysis tool, GA Frequency will tell you the frequency in Hz and KHz of any sound (WAV or AIFF up to 32bit 48KHz) along with the nearest musical note and MIDI note number.
MPEG Video ES Utils application provides the user with a visual representation of the structure of MPEG-2 video elementary stream (ISO/IEC 13818-2). The application allows the user to investigate the video sequence headers, group of picture headers.
DarkWave Studio is an open source (GPLv3) digital audio workstation / modular virtual studio for Windows. You can easily use the built in sequencer, bundled DarkPlug machines and third-party VST effects and VSTi instruments to create music.
You can create the single-pole or multipolar wiring diagrams from scratch. The easy copy/paste options also allow you to use previously created plans as a template and so to work even more efficiently.