GD (GIF, JPEG, PNG, WBMP) LDAP SNMP IMAP (POP, NNTP) FTP MCAL IMSP IPTC BC/GMP (arbitrary precision math) Hyperwave XML parser PDF generation FDF (PDF forms) System V Semaphores and Shared memory DCOM (Win32 only) Java Connectivity mnogosearch (udmsearch support) Cybermut Iconv Satellite Curl gettext (GNU internationalization) zlib (compressed IO) Charset/text conversion (UTF-8, Cyrillic, Hebrew) Browser capabilities extension EXIF SWF (Flash) ASPELL/PSPELL MCRYPT Cybercash Recode Readline XSLT (Sablotron, libxslt, Xalan) WDDX NIS YAZ (Z39.50 client) Payflow Pro CCVS (Credit Card Verification System) Fribidi Ncurses Muscat