Cubase
Auxbuss Publications, Cubase Helper, Cubase Lessons, UK, Cubase SX, Cubase.net, Espace, Free Cubase VST Plug-Ins, KX + Soundblaster + Cubase, Mixbay, Pro Music Consultants
Logic
Apple: Logic Pro, Logic Audio Users Forum, Logic Pro Help, Logic Pro Portal, PcMus Logic Audio Resources., Pevs Logic Users FAQ, Swiftkick.com, The Logic Notation Guide, Yahoo! Groups : Logic Users, Yahoo! Groups : logic-ot
Performer
Computer Music Studio: Digital Performer Tutorials, Digital Performer, Digital Performer Learning Videos, Performer MIDI Sequencing - Kurzweil K2000 Documen, UnicorNation - The MOTU-Mac Web Site, Yahoo! Groups : Digital-Performer
Ableton Live
Audio sequencer playable in real time like an instrument. User area, support, company profile, purchasing.
Anthem
An advanced open source MIDI sequencer for Unix-based platforms.
Anvil Studio
Win9x/NT freeware to multi-track record, compose, and edit with Audio and MIDI.
AuReality
Offers controller remappings, LFO's, arpeggiators, autochords, drum and note sequences, and echoes.
Band-In-A-Box User Group
A Yahoo Group for PG Music's Band-in-a-Box MIDI based music program. Swap files, styles, and get help.
Data Sonic
VSPro is a Win95 sequencing and notation package with a full graphic interface for Roland VS880 control and integration.
Deck
[Mac] Multitrack audio and Midi sequencer: screen pictures, main features, reviews, downloadable demo.
Digital Orchestrator Pro
Voyetra's flagship digital sequencer.
FruityLoops
Fully featured sequencer with MIDI, VST/VSTi and DXi support. Can be used inside other sequencers as a VSTi itself.
Goltstein.com
Reason Refills and Rex2 files, free and for sale.
Griff Pocket Music Studio
Sequencer for PocketPC running Windows CE. Sampler, instruments, and effects also.
GrooveMaker
[Mac - Win] Loop based mixer and sound libraries, with real time groove-generator and import/match of any audio file, including MP3.
Kinetic Sound System
A sequencer geared towards production of sound in arbitrated physical locations in space by means of multi-speaker sound systems.
Kyma
Symbolic Sound Corporation's Kyma is a graphical language for live, interactive sound generation and manipulation.
Midi music creation software, MP3 utilities, CD ex
Music creation tools by woltec including Quartet X2 Music Studio.
Midish
A simple and lightweight command-line MIDI sequencer/filter for BSD and Linux.
MultitrackStudio
Audio/MIDI recording and mixing environment for home recording musicians.
n-Track Studio
Multitrack recording program offers realtime effects via DirectX plug-ins, has audio and MIDI tracks.
Ntonyx
Style enhancer processes MIDI files to add human performance characteristics. Stand alone version and Cakewalk plug-in.
PC Drummer
Create drum music for less than the cost of a physical drum kit or machine. Built-in sounds sampled from actual instruments.
PowerTracks Pro Audio 5.0
Features up to 48 tracks of digital audio with effects, EQ, and panning plus 3rd party plugin support.
Propellerhead Software
Creators of the popular Reason, ReBirth, ReCycle software packages.
Quaderno
For MIDI sequencing and to aid musical composition and research. Some unusual options.
Rosegarden
A professional audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment for Linux.
Sonic Network Inc.
Soundfonts, some for free. Many sequencers support soundfonts.
Storm Music Studio
Description and features of this program from Arturia with virtual instruments, sequencers, synthesizers and effects.
Syntrax
Mobile music studio for your PocketPC, offers software synthesis, sequencing, and sample editing. Desktop version also.
Tracktion
[Mac - Win] Audio and Midi recording and editing software from Mackie. Main features, screenshots, reviews, documentation and support area.
Z.Matrix
Surround-panning plug-in for any MIDI sequencer that supports SCOPE/Pulsar. Simulates up to 16 sound sources from freely placed speakers.
Zynewave Podium
Audio/MIDI sequencer integrates multitrack recording, external hardware, and VST plug-ins, using a hierarchic mixing engine. Windows.