Mystic BBS is a bulletin board system software program that began in 1995 and was first released to the public in December 1997 for MS-DOS. It has been ported to Microsoft Windows, OS/2, OS X, and Linux (Intel and ARM based systems such as the Raspberry Pi). Mystic was designed to be a spiritual successor to the Renegade (BBS) and Telegard bulletin board systems.

Some of the more notable capabilities of Mystic BBS include:

• Integrated Telnet, SSH, RLogin, FTP, BinkP, HTTP, NNTP, POP3, SMTP servers with IPv4 + IPv6 support
• Full 5D compliant FidoNet BSO mailer and tosser, including BINKP & FTP mailers
• Built in AreaFix and FileFix functionality and full fileecho support
• Integrated QWK and QWKE networking via FTP
• Integrated text and ANSI editors, message editing with on-the-fly spell checking and word suggestions
• Proprietary scripting language called Mystic Programming Language (MPL)
• Embedded PYTHON 2.x and 3.x programming languages
• DOS CP437 and UTF8 character translations, terminal sizes up to 160x60
• Dynamic menus including menu editor, and fully customizable prompts
• Multiple user-selectable themes
• DOOR32 support in addition to various DOS-type door formats
• A fully featured ACS (access control system) and MCI display codes
• Modern security features such as TLS v1.2+, 512-bit PBKDF2 password storage, and AES-256 encrypted Netmail
• Highly integrated with ANSI graphics including full screen editor, lightbar menus, lightbar file listings and message reading
• Advanced, feature-rich JAM message base system with QWK/QWKE offline mail
• Multiple platform distributions available including Windows, OS X, Linux and ARM Linux (Raspberry Pi, ODROID, etc.)

A more complete list of capabilities can be found at http://www.mysticbbs.com/features.html

Attracted to the flexibility and potential that the scripting language provides, a number groups, such as ACiDic BBS modding, Cyberia, Demonic, DoRE, Vanguard, wOE!mODDING and Wicked formed for the sole purpose of writing BBS mods for SysOps who run Mystic.