The direct modern successor (also made by Monotype) is or Monotype Font Explorer (Windows/Web) . However, for a free solution on Windows 10 that mimics Bitstream's functionality, I highly recommend:
After months of searching, I'm thrilled to report that I've found an exclusive solution for you: a free, compatible version of the Bitstream Font Navigator for Windows 10! This remarkable tool allows you to browse, install, and manage fonts with ease, ensuring that your documents, designs, and creative projects look their absolute best. bitstream font navigator windows 10 free 12 exclusive