Notable events of 2000 in independent Dreamcast gaming.
- January 6th, January 7th, and January 8th, 2000 - At the Consumer Electronics Show, Interact demonstrates the GameShark CDX (the North American localized version of Datel's Action Replay CDX). It is the first independent code running on the Dreamcast.
- April 23rd, 2000 - At the Mekka & Symposium 2000 in Fallingbostel, Germany, a group known as Hitmen premiere the world's first non-commercial independent code running on the Sega Dreamcast, the A.G.E. demo. It utilized a custom cable to connect to a host computer called the Dreamcast Debug Handler.
- May 11, May 12, and May 13, 2000 - bleemcast!, the commercial PlayStation emulator for Dreamcast, is demonstrated at the Electronic Entertainment Expo.
- June 2nd, 2000 - The Action Replay CDX was released, which was the first publicly available disc with independent code booting from CD-ROM.
- June 20th, 2000 - Marcus Comstedt released his "Hello World" demo and example code, which was accomplished by reverse engineering the Action Replay CDX disc. This example code would be expanded to become Comstedt's libronin library, and by other coders in hzlib and libdream. This was the first publicly released freeware code running on the Dreamcast.
- July 27th, 2000 - HeroZero released hzlib, a small library that expanded upon Marcus Comstedt's example code. HeroZero would later contribute to libdream.
- October 20th, 2000 - Dan Potter and Mike Brent released libdream, a library that originally used Marcus Comstedt's example code, and coupled it with the open source GNU C compiler for the SH-4 processor. It later expanded beyond its forbearer and would later serve as a base for the KallistiOS library.