Here are the classes, structs, unions and interfaces with brief descriptions:
[detail level 123]
  DB | |
 Jig | |
  Mapper | Flat-file DB mapper |
 Session | Jig-managed session handler |
| Mongo | |
| Mapper | MongoDB mapper |
| Session | MongoDB-managed session handler |
| SQL | |
| Mapper | SQL data mapper |
| Session | SQL-managed session handler |
| Cursor | Simple cursor implementation |
| Jig | Flat-file DB wrapper |
| Mongo | MongoDB wrapper |
| SQL | PDO wrapper |
| Web | |
| Google | |
| StaticMap | Google Static Maps API v2 plug-in |
| Geo | Geo plug-in |
| OpenID | OpenID consumer |
| Pingback | Pingback 1.0 protocol (client and server) implementation |
| Audit | Data validator |
| Auth | Authorization/authentication plug-in |
| Base | Base structure |
| Basket | Session-based pseudo-mapper |
| Bcrypt | Lightweight password hashing library |
| Cache | Cache engine |
| F3 | Legacy mode enabler |
| Image | Image manipulation tools |
| ISO | ISO language/country codes |
| Log | Custom logger |
| Magic | PHP magic wrapper |
| Markdown | Markdown-to-HTML converter |
| Matrix | Generic array utilities |
| Prefab | Factory class for single-instance objects |
| Preview | Lightweight template engine |
| Registry | Container for singular object instances |
| Session | Cache-based session handler |
| SMTP | SMTP plug-in |
| Template | XML-style template engine |
| Test | Unit test kit |
| UTF | Unicode string manager |
| View | View handler |
| Web | Wrapper for various HTTP utilities |