- AviSys Birding Software
- Information on database and reporting software for North America and Worldwide birders.
- Bird Songs International
- Detailed descriptions of CD-ROMs Birds of Bolivia, Birds of Venezuela, and Birds of Tropical Asia.
- Birding Database
- Software for recording sightings and producing lists. Multimedia capability; Western Palearctic and World lists.
- Information about this digital illustrated guide for identifying birds and bird calls of North and Central America, Hawaii, and the Caribbean.
- Lanius Software
- Products include the North American Bird Reference Book CD-ROM and Lanius Excalibur Bird Life List Utility.
- Wildlife Computing
- Bird Recorder 32 and Pocket Bird Recorder programs for keeping track of sightings of birds, butterflies, and dragonflies.