491. cl-gtk4
     GTK4/Libadwaita/WebKit2 bindings for Common Lisp
492. cl-gui
     Browser-based Common Lisp Gui Library GUI
493. cl-hash-util
     cl-hash-util is a very basic library for dealing with CL's hash tables
494. cl-heap
     CL-HEAP implements the binary heap, Fibonacci heap, and priority queue data structures
495. cl-heredoc
     cl-heredoc is an implementation of "here documents" that allow the user to
496. cl-hooks
     cl-hooks allows the description of extension points in software using a concept of hooks (borrowed from Emacs)
497. cl-horde3d
     CL-HORDE3D provides CFFI bindings to the Horde3D graphics engine
498. CL-HRAC
     RabbitMQ Management HTTP API in Common Lisp
499. CL-HTML-DIFF
     CL-HTML-DIFF is a library for generating a human-readable diff of two HTML documents, using HTML
500. CL-HTML-Parse
     A portable version of Franz's HTML parser from xmlutils

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