Luxena Informix Data Access Components 

allows you create Informix access applications in common BDE fashion. IDAC ensures reliability as well as usability. It is excellent for BDE migration and for rapid client-server and/or n-tier development. Is a very good alternative to BDE and ADO
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Luxena dbExpress driver for Informix Lite 

is a nice alternative to Borland's one by means of excellent design, good performance, mature bugless status, wide range of supported Informix Servers and advanced features
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