SQLRDD for Harbour and Harbour++

TWeb for Uhttpd2

DataWharf is a Database Designer/Modeler/Analyzer Tool web application.

Class to facilitate the development of telegram bot from Harbour.

Otis is a dbf inspection tool (dbf viewer) for Dbase, Clipper, Harbour, xHarbour, FoxPro, Letodbf, ..., files.

Library for Harbour programming language which helps in TUI development

Framework to create FastCGI apps in Harbour

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

Harbour fork (from https://github.com/harbour/core) + updates & fixes = 3.4

Classe em (x)Harbour/ADVPL para calcular números absurdamente grandes

libharu - free PDF library

Portable, xBase compatible programming language and environment