A true-crime investigation into the browser that changed everything — and then vanished without a trace.
In the spring of 1993, a small team at the National Center for Supercomputing Applications released something the world had never seen: a graphical browser that made the web feel alive. Within months, Mosaic became the portal through which millions first encountered the internet.
It was elegant. It was fast. It was the future. Then the lights went out.
FOUNDING DOCUMENT
“Mosaic didn’t just display pages. It made the web feel like a place you could walk into.”
— Marc Andreessen, 1994
By 1997 the original Mosaic codebase had been quietly absorbed, forked, and ultimately erased from public view. What remained were only whispers and archived binaries.
EXHIBIT A
The original NCSA source was removed from public FTP servers in late 1995. No official explanation was ever issued.
EXHIBIT B
Commercial licenses were quietly transferred to a third party. The trail ends in Illinois court records.
EXHIBIT C
Surviving builds show a hidden “about:spyglass” command that was never documented.
If you have information about the final days of Mosaic, the investigation continues.