| Vocabulary | Summary |
| BSD checksum algorithm | |
| Internet (RFC 1071) checksum algorithm | |
| Tuple-like access to structured raw memory | |
| Hexadecimal colors | |
| Mixing colors together | |
| BBEdit editor integration | |
| MacVim editor integration | |
| TextEdit editor integration | |
| Xcode editor integration | |
| Format data according to a specified format string | |
| hash-sets.identity vocabulary | |
| hash-sets.sequences vocabulary | |
| hash-sets.wrapped vocabulary | |
| hashtables.sequences vocabulary | |
| hashtables.wrapped vocabulary | |
| help.search vocabulary | |
| Support for ICMP. | |
| system-info.macosx vocabulary | |
| Generates UUID's. | |
| Open URLs in your web browser | |
| Syntax highlighting tool |
| Vocabulary | Summary |
| anagrams vocabulary | |
| Base85 encoding/decoding | |
| Wrapper for bit.ly URL shortening web service | |
| Brainfuck programming language. | |
| Support using Factor in CGI scripts | |
| CMYK colors | |
| HSL colors | |
| YIQ colors | |
| Random dice rolls (with modifiers) | |
| echo-server vocabulary | |
| Google Chart API | |
| Google Search API | |
| Port of the HAMURABI.BAS game | |
| hash-sets.numbers vocabulary | |
| hashtables.numbers vocabulary | |
| help.pdf vocabulary | |
| Parses INI configuration files. | |
| Send files to the trash bin. | |
| xterm-256color implementation of formatted stream protocol | |
| ip-parser vocabulary | |
| Literate programming techniques | |
| Approximating rational numbers. | |
| Bin-packing algorithms. | |
| math.cardinality vocabulary | |
| Bitwise permutations | |
| Comparison functions. | |
| math.distances vocabulary | |
| math.factorials vocabulary | |
| Moving averages and other calculations useful for finance. | |
| math.similarity vocabulary | |
| Burrows-Wheeler Transform | |
| Fast fourier transform | |
| Provides access to memcached, a high-performance, distributed memory object caching system. | |
| Client for NTP protocol | |
| Creating PDF files | |
| Uses ICMP to test the reachability of a network host. | |
| random.c vocabulary | |
| Reddit API | |
| Rotated virtual sequences | |
| Shifted virtual sequences | |
| Snipped virtual sequences | |
| Virtual "zip" sequences | |
| Peter Norvig's spelling corrector | |
| terminal vocabulary | |
| Reader and writer for "tagged netstrings" | |
| tools.which vocabulary | |
| TXON (http://www.hxa.name/txon/) reader and writer | |
| Wake-on-LAN support | |
| Query API for Wolfram Alpha | |
| Comics from the http://xkcd.com website |