Is it more difficult to comply with OSS licenses than proprietary licenses?
No, complying with OSS licenses is much easier than proprietary licenses if you only use the software in the same way that proprietary software is normally used. By definition, OSS software permits arbitrary use of the software, and allows users to re-distribute the software to others. The terms that apply to usage and redistribution tend to be trivially easy to meet (e.g., you must not remove the license or author credits when re-distributing the software). Thus, complex license management processes to track every installation or use of the software, or who is permitted to use the software, is completely unnecessary. Support for OSS is often sold separately for OSS; in such cases, you must comply with the support terms for those uses to receive support, but these are typically the same kinds of terms that apply to proprietary software (and they tend to be simpler in practice). It is only when the OSS is modified that additional OSS terms come into play, depending on the OSS license. S