Programs to help you manage SQLite databases:
*: {link: http://pear.php.net/package/DB_Sqlite_Tools DB_SQLite_Tools}: PHP PEAR official OO extension to manage and backup Sqlite Databases under PHP 5. 
*: {link: http://ezdevelop.fwhost.net/ ezSqliteAdmin}: is written in PHP and can be used to manage SQLite databases of large websites through user friendly interface. It requires XUL supported browser to administer and manage SQLite. {link: http://ezdevelop.fwhost.net/ezsqlite/checkXul.html Check out the Demo} 
*: {link: http://www.vieka.com/esql.htm eSQL}:  A FREE sqlite database and database manager from Vieka. Provide consistent interface on Windows and Windows Mobile devices such as Pocket PC and Microsoft Smartphone. 
*: {link: http://www.knoda.org knoda}: knoda is a database frontend for KDE.  
Its driver concept allows a uniform connection to different database servers  
(Mysql , Postgresql , SQLite or ODBC).  
*: ConverterTools: Tools to convert SQLite databases from/to other database  
formats and DBMSes.  
*: {link: http://bobmanc.home.comcast.net/sqlitecc.html SQLiteCC}: SQLite  
Control Center is a visual tool for working on SQLite database files similar  
to MySQL CC.  
*: {link: http://sqlitebrowser.sourceforge.net SQLiteDatabaseBrowser}:  
SQLite Database Browser is a freeware, public domain, open source visual tool  
used to create, design and edit database files compatible with SQLite..  
*: {link: http://www.eztools-software.com/sqliteplus.htm SQLitePlusDatabase  Manager}: GUI tool used to create, view and edit SQLite databases, similar to  
MS Query Analyzer. (try before you buy)  
*: {link: http://www.dbtools.com.br DBTools Manager}: Freeware Win32  
application to manage MySQL, PostgreSQL, XBase Tables and SQLite databases.  
Supports managing all objects in the database, create queries in visual mode,  
import/export data from MSAccess, ODBC, text files, Paradox, DBF Tables and  
generate PHP scripts. The list of features is just too big. (Enterprise  
Edition with additional features not yet available)  
*: {link: https://sourceforge.net/projects/sqlitemanager/ SQLiteManager}:  
SQLiteManager is a multilingual web based tool to manage SQLite databases. The  
programming language used is PHP4 but it works fine with PHP5. Works just as  
well on a Linux as on Windows platform. This project is in course of  
developpement, but is already very functional.  
*: {link: http://www.phpguru.org/static/phpSQLiteAdmin.html phpSQLiteAdmin}:  
PHP based administration tool for SQLite in the same style as phpMyAdmin.  
Requires PHP 4.3+. GPL.  
*: {link: http://republika.pl/roed/ LiteQuery}: Another GUI tool to create  
view and edit SQLite databases. GPL.  
*: {link: http://phpsqliteadmin.sourceforge.net phpSQLiteAdmin}: Web interface  
for the administration of SQLite databases. GPL.  
*: {link: http://www.kraslabs.com/sqlite_analyzer.html SQLite Analyzer}: A  
comprehensive SQLite database processor.  Edit or modify SQLite data visually  
without any risk of losing your data.  
*: {link: http://www.microemacs.de/tcltk_dgsqlite.html dgSQLite}: A tcl/tk  
based GUI SQLite-Database Client which allows to import, export and query  
sqlite-databases. Available as kit/exe.  
*: {link: http://code.jenseng.com/db/ SQLiteDB}: A PHP class for working with  
SQLite databases. Supports ALTER TABLE statements. Public Domain
*: {link: https://sourceforge.net/projects/sqlitewebadmin/ SQLiteWebAdmin}:  
SQLiteWebAdmin is a webbased administration tool for SQLite Databases. It is written in PHP and requires PHP 4.x with SQLite extension or PHP 5. It provides management of multiple sqlite Databases.
*: {link: http://www.webtrickscentral.com/wtcSQLite.php wtcSQLite}:  
Web Tricks Central SQLite Administration Tool is an administration tool written in PHP. Create, edit, delete tables, data, indexes, triggers, views and more without knowing any SQL at all! On top of that, you may run 'ALTER TABLE' statements anywhere in wtcSQLite
*: {link: http://www.zend.com/apps.php?id=967&single=1 DCSQLite}: A Flash MX2004 front-end based on Database Connector System to manage SQLite database files with PHP5 interaction.
*: {link: http://sqlabs.net?sqlitemanager SQLiteManager}: a commercial SQLite database manager that runs on Windows, Mac OS X, and Mac OS Classic.
*: {link: http://www.mygenerationsoftware.com/ MyGeneration}: a freeware template based code generation tool that supports SQLite and many other databases. With this tool, you can generate a middle tier for your database in practically any language.
*: {link: http://www.caligari.zp.ua/sql/ Caligari's SQLite Admin Tool}: a Freeware sqlite admin tool. Have source too.