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Open Circuit Design: Home Page

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LayoutEditor: A sophisticated program to design and edit layouts for MEMS/IC fabrication. It supports GDSII, CIF, OpenAccess, OASIS, DXF, and more file formats

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Free PCB layout software - Low cost circuit boards - Top quality PCB manufacturing

TechRepublic helps IT decision-makers identify technologies and strategies to empower workers and streamline business processes. The site delivers a unique blend of original content by IT professionals, peer-to-peer advice from the largest community ...

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.

A discussion forum for electronics and circuits

Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.