Really small businesses need really simple accounting software. Zoho Books offers all of the basic features that microbusinesses need as well as advanced tools like project billing and time tracking. It also has integrations, so you can continue using the software as your business grows. We selected it as the best accounting software for really small businesses for its simplicity and value, because compared to other accounting software in its class, Zoho Books has the best price for all of its capabilities. Read our full review of Zoho Books.