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Free Pascal 3, Delphi 7 and Lazarus, for small projects, MiniXML (load and save xml files and parsing with RTTI) and MiniSockets (TCP/IP objects), DB (SQLite), ComPort, POS and Lazarus native components.
For t7 reason, moved to https://github.com/parmaja/minilib
A database system, another, older database system, a compression library, something to do with menus and XML, and whatever I happen to be working on at the time.
ioda is a fulltext indexing software, storing words and meta data. Handles logical operators, parenthesis and word distance values in queries. To use as supplement of an existing database or standalone. Runs as single prog., TCP server, CGI or library .