A Dog And His Boy
LDAP4D implements the LDAP C API in a 4D sort of way. It allows 4d applications to perform LDAP client operations.
Aparajita's World
ObjectTools: A suite of OOP commands for managing an object within 4D. Active4D: 4D-based web development and deployment.
Braided Matrix, Inc.
Develops and markets 4th Quarter Accounting Solution (4Q) a multi-user accounting system for small to mid-sized businesses.
Development and Database tools and books
Committed Software is the publisher of SanityCheck, DataCheck, Method Maddness, AutoDoc, and 4D Version Control software tools. It also publishes "Training Guide: Getting Started …
Foresight Financials
Foresight Financials offers world-class accounting, management, sales/marketing and inventory modules in one, fully-integrated, single application system.
Foundation
Shell for 4th Dimension to create custom menus environments. Built-in support for 4D Write and 4D Draw.
Internet ToolKit for 4D
ITK transforms any 4D database into an Internet server or client.
Island Data Management
ZipCenter adds ZIP Code lookups and GIS searches to any 4D database. ZipCenter is fast, easy to use, and simple to install.
LiveSync4D
Adds real time replicating/mirroring, syncing via TCP/IP to any 4D database. Allows remote users to sync with server. Allows 24/7 live backup.
Web Server 4D and WS4D/eCommerce
Web Server 4D (WS4D), is a powerful 4D application that turns 4D, into a eCommerce server, and web server. WS4D is available in source code and has many features.