Numi App - Numi is a beautiful text calculator for Mac.
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...