# Libraries > [HTML Version](libraries.htm) A-Shell makes use of several libraries, which are listed here. The "Notes" column in the tables indicates: • The source of the library: (1) developed by Microsabio; (2) purchased/licensed from external commerical sources; (3) open source modules. • Whether the library is included with all installations of A-Shell (a), or is included only if needed and/or by special arrangement (b). Note also that the actual library name may incorporate platform and/or version data into its name. For example, the table below lists "SftTree," while the actual filename of the DLL is "SftTree\_IX86\_U\_75." **Windows** A-Shell uses the following Dynamic Linked Libraries (DLLs). | | | | | |------|------|------|------| | **Name ** | **Notes** | **~Size KB** | **Description** | | ashico1 | 1, a | 10,480 | A-Shell icon library. | | [ASHNET](ashnet.htm.md) | 1, a | 3,026 | Network-related functions. | | [ASHNET2](ashnet2.htm.md)[ ](googlecloudaccesstoken.htm.md) | 1, a | 713 | SSH services for ATE. | | FTPDLXcall2 | 1, a | 52 | FTP functions used in FTPDLX. | | HTS14 | 2, a | 576 | HTML support for XTEXT. | | libashmysql | 1, a | 16KB | ASQL interface to MySQL connector. | | libxl | 2, a | 6,327 | Spreadsheet functions. | | pcre3 | 3, a | 137 | Perl compatible Regular Expressions. | | SftPrintPreview | 2, a | 853 | APEX functions. | | SftTabs | 2, a | 750 | TABX control | | SftTree | 2, a | 620 | XTREE. | | spell32 | 2, a | 92 | Spell-checking used in XTEXT. | | TER19 | 2, a | 1,680 | XTEXT control. | | txml2 | 2, a | 92 | Allows .docx files to be imported to XTEXT. | | vic32 | 2, a | 228 | Graphics and images. | | victw32 | 2, a | 60 | TWAIN support. | | wodFtpDLX | 2, a | 920 | FTP functions used in FTPDLX. | | | | | | |------|------|------|------| | **Name ** | **Notes** | **~Size KB** | **Description** | | libashodbc | 1, b | 24 | ASQL interface to OBDC connector. | | libashtls | 1, b | 16 | TLS support for TCPX[xs](keyword-types.htm.md). | | libgnutls | 3, b | 2010 | GNUTLS (required for libashtls) | | libtasn1 | 3, b | 160 | GNUTLS. | | libgpg-error | 3, b | 110 | GNUTLS. | | libgcrypt | 3, b | 1650 | GNUTLS. | | ucibv | 3, b | 870 | GNUTLS. | | libfcgi | 3, b | 40 | Fast CGI support. | **Linux** | | | | | |------|------|------|------| | **Name ** | **Source** | **~Size KB** | **Description** | | libashmysql | | 40 | ASQL interface to MySQL connector | | libashtls | | 20 | TLS support for TCPX[xs](keyword-types.htm.md) | | libxl | | 3200 | Spreadsheet functions | | libashnet | | 6180 | CRYPTO[xs](keyword-types.htm.md) | **Subtopics** - [ASHNET](ashnet.htm.md) - [ASHNET2](ashnet2.htm.md)