Description: PDFBix is a free online PDF editor that allows users to view, edit, convert, compress, merge, split, encrypt and unlock PDF files easily without installing any software. It is a simple yet powerful cloud-based PDF solution.
Type: software
Pricing: Freemium
Description: QUCS (Quite Universal Circuit Simulator) is an open-source electronics circuit simulator software. It allows you to set up electronic circuits and simulate them. Features include DC, AC, S-parameter, harmonic balance analysis, etc. It has a GUI for schematic capture and simulation control.
Type: software
Pricing: Free