CrashPlan got its start as a software development company that offers onsite, offsite and cloud backup solutions. Advanced features include versioning, the creation of backup sets, and continuous online backup. CrashPlan offers a wide variety of plans for small businesses. For example, CrashPlan+ comes with free unlimited backup for individual PCs at just $5 per month. Meanwhile, the mid-tier CashPlan PRO plans are designed for small and mid-sized businesses with administrative capabilities, while CrashPlan PROe targets larger businesses with Active Directory or LDAP support as well as API integration.