Apps similar to TikZ Editor include Inkscape, which is free and open source. Other options are LibreOffice - Draw, LaTeXDraw, KtikZ and Ipe. In total there are seven Vector Graphic Apps like TikZ Editor for Windows, Linux and Mac.
Open source vector graphics editor with SVG support. Offers tablet support, non-destructive editing, and live previews. No registration needed, works offline, extensible with plugins, and provides privacy-focused, ad-free experience across multiple platforms.
United States
Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.
Germany
EU
LaTeXDraw is a graphical drawing editor for LaTeX. LaTeXDraw can be used to 1) generate PSTricks code; 2) directly create PDF or PS pictures. LaTeXDraw is developed in Java and thus runs on top of Linux, Windows, and Mac OS X.
FranceEU
Ipe is a drawing editor for creating figures in PDF or (encapsulated) Postscript format. It supports making small figures for inclusion into LaTeX-documents as well as making multi-page PDF presentations that can be shown on-line with Acrobat Reader.
South Korea
open source, multi-platform and interactive vector drawing picture editor for LaTeX and PSTricks
TikZiT is a super simple GUI editor for graphs and string diagrams. Its native file format is a subset of PGF/TikZ, which means TikZiT files can be included directly in papers typeset using LaTeX.
United States
