What are some alternatives?
When comparing Soulseek and Aircall, you can also consider the following products
eMule - eMule is a free peer-to-peer file sharing application for Microsoft Windows.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
aMule - aMule - the all-platform P2P client!
Freshcaller - The call center software for startups and small teams. No need to invest in phone hardware for your call center. Product of Freshworks Inc.
Shareaza - Shareaza is the most luxurious and sophisticated file sharing system you'll find.
NICE inContact - Get the DMG Consulting report reprint on cloud contact centers.