HVACOL Psychrometric Chart Software

      It is forever  completely free



Simultaneously calculating and expressing two modes.


  With the psychrometric chart in DWG document format (equivalent to source code), you can do anything, anything

    Psychrometric Chart - PDF PNG

      It is forever  completely free



  PDF:
  Vector and lossless, can be enlarged arbitrarily while remaining clear and lossless


  PNG:
Super Large Image Psychrometric Chart ( 3593 x 2545 )

   焓湿图软件

   注考 暖通空调

   BSelf Camera

      iOS 26+



  Decades of experience have gone into developing BSelf Camera (built-in 27 artistic beautifying filters), delivering a real, fresh, natural, and relaxed beauty: just one tap. Pure functionality, pure code, super cool, super fast, no AI, no ads.



Absolute privacy: runs entirely on iPhone locally

   Oh my Sound

      iOS 26+



Professional recording and playback portable music studio

   小说《穿越时空搬砖》