Wildlife Acoustics
- Manufactures and markets the Song Sleuth digital birdsong detective, which claims to automatically identifies birds from their songs in the field.
- http://www.wildlifeacoustics.com/

Better Birdwatching
- Videos and software for identifying birds in the western North America.
- http://www.betterbirdwatching.com/

Wildlife Recorder
- Software for keeping bird, butterfly, dragonfly, mammal, and other wildlife sightings organized. Features include report generation and voice sightings entry.
- http://home.surewest.net/bruwebb/WildlifeRecorder.htm

Pocket Bird Recorder
- Listing software for PocketPC and PalmOS devices.
- http://home.surewest.net/bruwebb/Pocket-PC.htm

Redshank Software
- Information on Avendex, a bird sightings database and analysis program for North and South Carolina (Windows and Mac); ClipBird checklist utility.
- http://www.redshanksoftware.com/

Aves Bird Watcher's Log
- Software for Windows includes world bird list, image collection, trip log, daily diary, and club members list.
- http://birdwatch.idealog.net/

Wings
- Macintosh OS X software for managing bird records in a relational database.
- http://homepage.mac.com/wings_4d/

Eremaea Birds
- On-line personal bird listing with access to a global database.
- http://www.eremaea.com/

Syrinx
- A program for spectral analysis, editing, and playback of bird sounds.
- http://zipprong.psych.washington.edu/

EnjoyBirds
- Information about this digital illustrated guide for identifying birds and bird calls of North and Central America, Hawaii, and the Caribbean.
- http://enjoybirds.com/

Lanius Software
- Products include the North American Bird Reference Book CD-ROM and Lanius Excalibur Bird Life List Utility.
- http://www.onmymountain.com

Wildlife Computing
- Bird Recorder 32 and Pocket Bird Recorder programs for keeping track of sightings of birds, butterflies, and dragonflies.
- http://www.wildlife.co.uk/

TweetChirp Assistant
- Plays bird calls and records sightings on a Windows CE based personal organizer.
- http://www.tweetchirp.com/

Bird Songs International
- Detailed descriptions of CD-ROMs Birds of Bolivia, Birds of Venezuela, and Birds of Tropical Asia.
- http://www.birdsongs.com/

Birding Database
- Software for recording sightings and producing lists. Multimedia capability; Western Palearctic and World lists.
- http://www.birdsoftware.co.uk/

BirdSong Bytes
- Photos and songs of 136 common birds of Eastern North America.
- http://www.birdsongbytes.com/

Flying Emu
- Map List software for North American and world birding lists, plus many links.
- http://www.flyingemu.com/

Thayer Birding Software
- Popular bird identification and record keeping software, with newsletters, discussion group, and checklists.
- http://www.thayerbirding.com/

AviSys Birding Software
- Information on database and reporting software for North America and Worldwide birders.
- http://www.avisys.net/