- Distros
    - Debian [andersk]
    - Debian Security Advisories (DSA) [adehnert]
    - Launchpad [geofft]
    - RHBZ [adehnert]
- Other non-MIT software
    - RFC [adehnert]
    - CVE [adehnert]
    - Django [adehnert]
- SIPB
    - Debathena [broder]
    - Scripts [geofft]
        - Scripts FAQ [geofft]
    - XVM [adehnert]
    - Zephyr [adehnert]
        - Barnowl [geofft]
    - Zulip [adehnert]
    - SIPB [geofft]
    - zcommit [adehnert]
    - pag-screen [adehnert]
    - Remit [adehnert]
    - Mosh [adehnert]
    - Chiron [adehnert]
        - Debothena Test [geofft]
- Student groups
    - ASA [geofft]
    - ESP [adehnert]
    - Assassin [geofft]
    - Puzzle editing (Mystery Hunt) [adehnert]
- Miscellaneous
    - MIT Class [adehnert]
    - whats (abbreviations) [adehnert]
    - Bible [adehnert]
    - XKCD [adehnert]
    - Unicode [adehnert]
    - Pokedex [geofft]
    - Airports [adehnert]
    - SCIENCE [geofft]

[ The person who added each bugtracker is in brackets. ]