Deletion of SigmaXL

Comment: lack of .  shows only primary sources and webpages for the product
Stance: delete
Cited policy: Wikipedia:Notability (WP:SIGCOV||WP:BEFORE)

Comment: all of the sources cited above are offhand mentions and well short of 
Stance: delete
Cited policy: Wikipedia:Notability (WP:SIGCOV)

Comment: The Keep suggestions offer nothing of substance: The subject of the article may be "very well known" in a specific "community," such as computer programmers, but |this means nothing on its own. We need specific, third-party sources that support |notability; not opinions. Other suggestions to Keep only claim "there are sources out there" but, again, this on its own |simply won't do. Others offered the fact that prestigious and notable publishers "use" SigmaXL, but, again, this offers nothing in way of notability support: Where are the texts? The only offering of supporting sources came from  an Special:Contributions/2607:FEA8:1D60:27AC:BD9C:2FDB:DDD7:B42F|ISP whose |only contribution has been to the article under consideration. In itself, this is, of course, not an issue, but the sources offered have, for better or worse, nothing more than passing mentions as part of lists (e.g. Tereza), name drops (e.g. Williams, Morgan), manuals (e.g. https://www.google.com/aclk?sa=l&ai=DChcSEwjwx679g_nyAhUvgoMHHRcsAfAYABACGgJlZg&ae=2&sig=AOD64_3_e7w1ACR2PLOSEWp6i97aQfa5sw&q&adurl&ved=2ahUKEwiM2J39g_nyAhXDyqQKHQ3RCkoQ0Qx6BAgFEAE Bass), and so on. A gallant effort to invent notability, certainly, but Gertrude Stein|there's no there there
Stance: delete
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:LOCALFAME||WP:N||WP:MUSTBESOURCES||WP:SPI)

Comment: passes , and while the article currently is somewhat promotional that can be fixed. There is increasingly a need to upgrade  a guideline, given that tertiary about software will not be written the same way as books or other products
Stance: keep
Cited policy: Wikipedia:Notability (WP:BASIC||WP:NSOFTWARE)

Comment: coverage supports that this software meets 
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)