
PicMonkey
Canva
Marq
Piktochart
Adobe Photoshop
Pixlr
Fotor
GIMP
Multisim
LTspice
QUCS
EasyEDA
Proteus PCB design
KiCad
Pspice
Altium Designer
PicMonkeyCanva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
LTspice - LTspiceยฎ is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
Marq - Marq (formerly Lucidpress) is a web-based design and layout application that enables anyone to create beautiful creatives
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
Piktochart - Piktochart for Business Storytelling
EasyEDA - EasyEDA - Web-based EDA suite; runs in browser.