10 tools to make a better flowchart than in PPT

1. Canva https://www.canva.com/graphs/flowcharts/ it can also make a nice logo. I made my twitter banner with it.

2. Figma https://www.figma.com/templates/flowchart-maker/ recently bought by Adobe

3. Adobe illustrator 

4. Miro https://miro.com/aq/ps/flowchart-1/

5. draw.io 

6. Inkscape https://github.com/fredhutchio/inkscape-tutorial

7. DiagrammeR if you want to play with R https://rich-iannone.github.io/DiagrammeR/

8. Lucidchart https://www.lucidchart.com/pages/

9. Latex https://www.baeldung.com/cs/latex-flowcharts

10. https://whimsical.com/