Mega.ModularPlanner.co.uk has a cool new online modular synthesizer planner for Eurorack-size modules. 
It’s a work in progress, but it has modules from the biggest manufacturers already. It’s just missing scanned images from several of the companies. 
Note that it does let you do some things that might not be possible with real modules (see the image above). 
I’d [...]

Cyndustries has announced a new type of modular synthesizer oscillator, the Zeroscillator, an all-analog through-zero FM oscillator. According to Cyndustries, the Zeroscillator will be “the first time traditional digital FM synthesis is possible in an all analog signal path.”
The Zeroscillator “is an original design by Mark Barton,” explains Cyndustries Cynthia Webster. “Mark, and John Ross, [...]

Cyndustries has announced a custom synthesizer modular built around the new Apple Mac mini. The Cynthia Macintosh promises to bring a whole new level of integration between worlds of analog and computer-based synthesis.
Cyndustries’ Cynthia Webster notes “You can go from your analog modular oscillators and filters - into digital audio effects plug-ins, and then [...]

Cynthia Webster is the synthesist and designer behind Cyndustries, a company that makes modular analog synthesizers. She recently shared her thoughts with Synthtopia about a variety of topics, including the analog vs. digital debate, Nietzsche, women in electronic music, the mystery of “wishbone127″  and even banana envy.
Webster is an electronic music veteran. In high school, Webster [...]

Cyndustries makes some of the most interesting analog synthesizer components available. They are in Modcan format, but are electricly compatible with most other modular equipment.
Cyndustries has many unique modules that are certifiably drool-worthy:

Dual Sawtooth Animator
4 Channel Analog Switch
Milton Voltage-Controlled Sequencer
Synthacon Filter
StereOSpace
Super Psycho LFO
Octal Inverting Attenuator
Quad Bandpass
Gated Comparator

In addition to many original designs, Cyndustries provides Modcan [...]