Back down 23 places to its 2017 position

Adobe Illustrator is the industry-standard vector graphics app lets you create logos, icons, sketches, typography, and complex illustrations for print, web, interactive, video, and mobile.

Website: adobe.com/products/illustrator.html
Cost: Commercial. Free Trial
Availability: Download

Top 100 Tools for Personal & Professional Learning 2019: –
Top 100 Tools for Workplace Learning 2019: 58
Top 100 Tools for Higher Education 2019: –

Past Overall Rankings
2018: 72    2017: 95    2016: 107    2015: –     2014: –    2013: –
2012: –       2011: –      2010: –         2009: –     2008: –    2007: –

Comments from some of those who selected Adobe Illustrator as one of their Top 10 Tools 

“Full featured illustration app with longer tenure than Photoshop, great toolset. Widely recognized as the best. Use it frequently in my development work.” Matt Lang, USA,

“The best for creating and editing vector graphics.” Kimball Larsen, e-learning developer, USA, 2016

“Producing assets for elearning” Math Notermans, e-learning developer, Netherlands, 2016

“Create Stunning Artwork that is easily scalable to export at any size, or more recently to SVG, which Flash/Animate can also now do” Kyle G Main, e-learning developer, USA, 2016