Based on our record, WhenAvailable seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
No pdfs involved but this site might be useful to you. They have a free and paid tier. When Available. Source: over 2 years ago
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
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Zoho Desk - Industry's first context-aware Helpdesk Software
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