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!
Stockpile - Stockpile is a free online inventory system for small business and at home uses.
VOGSY - Professional service automation tool built on Google G Suite
inFlow Inventory - inFlow Inventory is inventory management software for small businesses.
Office Timesheets - Professional Services Automation
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.