| base64 | base64, uuencode, yencode encoder and decoder | 
    
      | calendar | date & time operations. In development. | 
    
      | cmdline | command line argument processor similar to opt | 
    
      | comm | socket based 'send'. | 
    
      | counter | Event counters, interval timers, and histogram display | 
    
      | crc | Calculation of various CRC checksums | 
    
      | csv | Handling of comma separated values | 
    
     | des | Tcl implementation of the Data Encryption Standard | 
    
      | dns | Tcl implementations of the DNS protocol | 
    
      | doctools | Writing manpages, the tcl way | 
    
      | exif | Handling of EXIF information generated by digital cameras | 
    
      | fileutil | Tcl implementations of some standard Unix
      utilities | 
    
      | ftp | FTP client library | 
    
      | ftpd | FTP server | 
    
      | html | HTML generation procedures.  This uses ncgi. | 
    
      | htmlparse | Parsing of HTML strings. | 
    
      | irc | Tcl implementation of the IRC protocol. | 
    
      | javascript | Javascript generation procedures. | 
    
      | log | General logging and tracing facility. | 
    
      | math | common math functions like min, max, and others | 
    
      | md4 | MD4 hashes | 
    
      | md5 | MD5 hashes | 
    
      | mime | MIME encoder and decoder | 
    
      | ncgi | new CGI processing module | 
    
      | nntp | NNTP (news) client | 
    
      | ntp | time clients | 
    
      | pop3 | POP3 protocol implementation | 
    
      | pop3d | POP3 server implementation and helper packages | 
    
      | profiler | function level Tcl source code profiler | 
    
      | report | Tabular ascii reporting. Interoperates with struct::matrix. | 
    
      | sha1 | Secure Hash Algorithm | 
    
      | smtpd | SMTP server implementation | 
      soundex | Phonetic string comparison | 
      | struct | Tcl implementations of common data structures (tree, graph, queue, matrix, pool, skiplist, priority queue, records, list operations) | 
    
      | stooop | Pure Tcl OO package | 
    
      | textutil | Text processing utilities, including a macro processor | 
    
      | uri | URI parsing module |