You are sizing up a market. These filters come from what each product claims about itself: how it positions itself, what it charges, who it names as an alternative, what proof it publishes.
“Open source event ticketing Event ticketing software with no per-ticket platform fees” — its home page
“Compare -> https://tickets.chobble.com/compared-to/” — its home page
“…vs Venmo -> https://tiply.us/vs-venmo” — its home page
“Pricing -> https://tiply.us/pricing” — its home page
“Professional Invoicing Made Simple” — its home page
“Pricing -> https://invoicelaunch.com/pricing” — its home page
