Mark Rapp

Contributor:

Mark Rapp was the founder and Sysop of MicroSellar BBS, a well‑known dial‑up Bulletin Board System based in Verona, New Jersey, serving the telecommunications and software exchange community during the 1980s and early 1990s.
  • He managed the system under the domain mslr.com and guided its BBS operations as technology shifted toward early internet access.
  • Mark oversaw community engagement, file curation, and networking coordination, connecting users through the MicroSellar BBS and contributing to the overall BBS ecosystem of the region.
  • Mark Rapp assisted the ExecNet preservation effort with miscellaneous support and archival contributions, helping ensure continuity of records and historical artifacts as the platform evolved into its modern legacy format.
“Mark’s contributions helped shape the BBS community in Northern New Jersey and supported the early evolution of ExecNet and related networks.”
“Further biographical or technical data may be added as archival material becomes available.”

The Technology Behind ExecNet