| 601 | Yorick (programming language) | |
| 602 | LINC 4GL | |
| 603 | Poplog | |
| 604 | Logtalk | |
| 605 | Xtend | |
| 606 | Music Markup Language | |
| 607 | XBase++ | |
| 608 | Locomotive BASIC | |
| 609 | Forté 4GL | |
| 610 | Snowball (programming language) | |
| 611 | Tea (programming language) | |
| 612 | Stylus (style sheet language) | |
| 613 | FL (programming language) | |
| 614 | CBASIC | |
| 615 | ECLiPSe | |
| 616 | GNU Prolog | |
| 617 | Pico (programming language) | |
| 618 | Amiga E | |
| 619 | Constraint Handling Rules | |
| 620 | DIBOL | |
| 621 | Action! (programming language) | |
| 622 | Euler (programming language) | |
| 623 | COMTRAN | |
| 624 | Stagecast Creator | |
| 625 | NS Basic | |
| 626 | Color BASIC | |
| 627 | URBI | |
| 628 | SynthEdit | |
| 629 | COMIT | |
| 630 | Rapira | |
| 631 | POP-2 | |
| 632 | SLIP (programming language) | |
| 633 | TACL (programming language) | |
| 634 | Ptolemy Project | |
| 635 | Variable Assembly Language | |
| 636 | Data Language Interface | |
| 637 | Ezhil (programming language) | |
| 638 | VSI BASIC for OpenVMS | |
| 639 | Maude system | |
| 640 | Project Builder | |
| 641 | IronScheme | |
| 642 | Illumination Software Creator | |
| 643 | Mark IV (software) | |
| 644 | CA-Telon | |
| 645 | XSB | |
| 646 | TRAC (programming language) | |
| 647 | Fjölnir (programming language) | |
| 648 | Easy Programming Language | |
| 649 | KUKA Robot Language | |
| 650 | V (programming language) | |
| 651 | Programming Computable Functions | |
| 652 | Telescript (programming language) | |
| 653 | Generative Modelling Language | |
| 654 | OpenQASM | |
| 655 | Global Arrays | |
| 656 | Incr Tcl | |
| 657 | GRASS (programming language) | |
| 658 | NIL (programming language) | |
| 659 | Windows App Studio | |
| 660 | Basic4ppc | |
| 661 | TinyScheme | |
| 662 | Cecil (programming language) | |
| 663 | Hopscotch (programming language) | |
| 664 | SASL (programming language) | |
| 665 | Graphics Layout Engine | |
| 666 | Alpha (programming language) | |
| 667 | Pipeline Pilot | |
| 668 | Fuzzy Control Language | |
| 669 | SIGNAL (programming language) | |
| 670 | Microsoft Power Fx | |
| 671 | MIMIC | |
| 672 | Hollywood (programming language) | |
| 673 | Kojo (learning environment) | |
| 674 | Open Shading Language | |
| 675 | Twelf | |
| 676 | GOAL agent programming language | |
| 677 | Joule (programming language) | |
| 678 | Gofer (programming language) | |
| 679 | Hoc (programming language) | |
| 680 | Subtext (programming language) | |
| 681 | Ateji PX | |
| 682 | SAIL (programming language) | |
| 683 | OBJ (programming language) | |
| 684 | Dexterity (programming language) | |
| 685 | SCM (Scheme implementation) | |
| 686 | Basic/Four | |
| 687 | Microsoft Pascal | |
| 688 | SCOOP (software) | |
| 689 | FriCAS | |
| 690 | Atari ST BASIC | |
| 691 | Jq (programming language) | |
| 692 | Transaction Application Language | |
| 693 | Concurrent Pascal | |
| 694 | GameMonkey Script | |
| 695 | Mirah (programming language) | |
| 696 | ΛProlog | |
| 697 | EuLisp | |
| 698 | Artelys Knitro | |
| 699 | ALTRAN | |
| 700 | Mouse (programming language) | |
