| -1486318462 | | A REPL that prints contracts on values | succeeds |
| -1485053944 | | a lang-extension for debugging, and a macro for inserting a debug-repl | succeeds; has dependency problems |
| -1487966894 | | Forth emulator, as a Racket #lang | succeeds |
| -1492644110 | | REPL test: copy-paste REPL interactions and run them as tests | succeeds |
| -1491191328 | | Explorer for .zo bytecode files | succeeds |