Crater vs Kannel
A side-by-side look at Crater and Kannel. For an in-depth review of either product, follow the links below.
Crater
Business & Commerce
Crater is a free and open source browser-based invoice app for small teams and freelancers. It allows users to create professional invoices, estimates, expenses and track them online with no limits.
invoicingbillingestimatesexpensesfreelancesmall-teams
Kannel
Network & Admin
Kannel is an open source WAP and SMS gateway that enables sending and receiving SMS messages to/from various devices and interfaces with various messaging protocols. It allows building SMS services and applications quickly and efficiently.
wapsmsgatewaymessaging