Owner

PDP-10

5 indexed repositories · View on GitHub

its
Incompatible Timesharing System

Assembly · 954 stars
klh10
Community maintained version of Kenneth L. Harrenstien's PDP-10 emulator.

C · 75 stars
tenex
BBN's PDP-10 operating system

Roff · 38 stars
supdup
Community maintained SUPDUP client for Unix

C · 24 stars
itstar
Tool for manipulating ITS dump tape images

C · 13 stars

Beginner friendly Everything

Open All

Add Openssl Dependency Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

PDP-10/its#2400 · Opened Aug 19, 2026
XGPLPT Open

printing tots

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2399 · Opened Aug 15, 2026
XGPSPL assumes only AI has an XGP Open

bug printing

Difficulty 3/5 1-2 days Newbie friendliness 52/100

PDP-10/its#2393 · Opened Jun 25, 2026
Bugs in DEC BASIC Open

bug y2k

Difficulty 4/5 3-5 days Newbie friendliness 38/100

PDP-10/its#2389 · 3 comments · Opened Jun 14, 2026
Somewhat-BASIC Open

lisp tots

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2385 · Opened Jun 4, 2026
ITS scoring table Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PDP-10/its#2384 · Opened Jun 3, 2026
Update PDP-6 emulator Open

pdp6

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2381 · Opened Apr 13, 2026
ITS Building issue Open

build process

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

PDP-10/its#2371 · 1 comment · 1 reaction · Opened Oct 7, 2025
XGPSPL is killed after some time Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2367 · 13 comments · Opened Jun 21, 2025
build/timestamps.txt has an invalid format timestamp for _info_/tn6.info Open

bug host

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PDP-10/its#2362 · Opened Mar 16, 2025
New ECHO service for all networks Open

arpanet chaosnet ip/tcp

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2358 · 1 comment · Opened Feb 1, 2025
FOODP Open

arpanet tots

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2355 · Opened Jan 17, 2025
FINGER can't query NCP hosts Open

arpanet

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2354 · Opened Jan 13, 2025
GUNNER can't (see and/or gun down?) jobs abandoned with TCPI status Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

PDP-10/its#2353 · 3 comments · Opened Jan 9, 2025
PEEK gets stuck in a loop typing out tty line information sometimes Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PDP-10/its#2352 · Opened Jan 9, 2025
Maybe bug in TELNET client NCP mode. Open

arpanet bug

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2351 · Opened Jan 2, 2025
ITS code duplicated between NET and NCP. Open

arpanet bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PDP-10/its#2349 · Opened Dec 15, 2024
7LP - jobdev and Chaosnet client for 7th floor line printer Open

chaosnet

Difficulty 5/5 Over a week Newbie friendliness 15/100

PDP-10/its#2345 · Opened Dec 5, 2024
OZDEV - FILE protocol OZ device for ITS Open

chaosnet

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2344 · 17 comments · Opened Dec 2, 2024
Identifying important things to request out of ToTS Open

note tots

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2340 · 2 comments · Opened Sep 25, 2024
Turnkey configuration available? Open

PDP-10/klh10#75 · 17 comments · 1 assignee · Opened Sep 5, 2024
Can't paste more than 65 characters Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/klh10#74 · 2 comments · Opened Aug 14, 2024
Explicitly use 3-Clause-BSD license text. Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

PDP-10/supdup#40 · 6 comments · Opened Aug 9, 2024
PGCC/NVHPC compiler warning (integer conversion resulted in a change of sign) Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

PDP-10/supdup#39 · Opened Aug 9, 2024
Descriptor leaks and use-without-checks Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PDP-10/supdup#37 · Opened Aug 9, 2024
luner lander crash Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

PDP-10/its#2311 · 23 comments · Opened Jun 9, 2024
Color Spacewar Open

color display game

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PDP-10/its#2298 · 1 comment · Opened Apr 8, 2024
SYSENG;CTIMSR appears to incorrectly call .logout Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

PDP-10/its#2292 · 1 comment · Opened Mar 14, 2024
MIDAS 73: = does not change symbol relocation Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PDP-10/its#2272 · 1 comment · Opened Feb 12, 2024
Building KLH10 on MacOS Ventura fails Open

build process

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2270 · 85 comments · Opened Jan 24, 2024
ACTOR and PLASMA Open

note tots

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2259 · 3 comments · Opened Nov 27, 2023
Build of EAK;TS BEAR gives errors in FSCOPY Open

PDP-10/its#2258 · 3 comments · 1 assignee · Opened Nov 19, 2023
Cannot fix global object bugs in Muddle Zork which are fixable in Confusion Zork Open

bug dynamic modeling muddle

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2256 · 8 comments · Opened Nov 10, 2023
GUNNER dies on KS10 with ILOPR Open

dynamic modeling

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2250 · 6 comments · Opened Nov 2, 2023
Customize PWORD Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PDP-10/its#2249 · Opened Oct 31, 2023
:INFO CC refers to CLIB;CLIB which is not there. Open

bug documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PDP-10/its#2247 · Opened Oct 27, 2023
Muddle 55 Interpreter, Compiler, and Assembler from Source Open

muddle

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2241 · Opened Oct 9, 2023
Muddle 56 Compiler and Assembler Open

muddle

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2240 · Opened Oct 9, 2023
Muddle 56 Package and Runtime Library System Open

muddle

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2239 · Opened Oct 9, 2023
MLDEV doesn't work with 3-character host names Open

PDP-10/its#2231 · 4 comments · 1 assignee · Opened Oct 4, 2023
KL ITS running under pdp10-kl Cannot do FTP Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2224 · Opened Sep 21, 2023
KS ITS running under pdp10-ks Cannot do TELNET, FTP, or SUPDUP Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2223 · 2 comments · Opened Sep 21, 2023
Obituaries Open

note

Difficulty 5/5 Over a week Newbie friendliness 20/100

PDP-10/its#2204 · 6 comments · Opened Jul 28, 2023
fatal messages while doing "make EMULATOR=simh" Open

bug build process

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

PDP-10/its#2199 · 1 comment · Opened Jun 11, 2023
Fix "No free Lispms" Open

chaosnet lispm

PDP-10/its#2195 · 17 comments · 1 assignee · Opened Apr 22, 2023
simh_imlac crashes during :imprint Open

bug imlac

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2187 · 9 comments · Opened Apr 11, 2023
KA ITS shows "D63 TARAKA" with "who" command Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PDP-10/its#2184 · 6 comments · Opened Mar 28, 2023
Muddle ASYLUM doesn't work Open

dynamic modeling muddle

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2183 · Opened Mar 24, 2023
Muddle 55's PURITY and SUBRFY libraries don't work on KLH10 and pdp10-ks Open

muddle

Difficulty 5/5 Over a week Newbie friendliness 25/100

PDP-10/its#2182 · 4 comments · Opened Mar 24, 2023
COMBAT ZONE uses incompatible format for mail when compilations win or lose Open

dynamic modeling muddle

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PDP-10/its#2174 · 2 comments · Opened Mar 8, 2023

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