Can open-source project management tools run air-gapped?
Usually yes on licensing, and often awkwardly on installation. There is no key to activate, which removes the hardest problem.
What remains is dependency fetching: package managers, container registries and plugin ecosystems all expect a network, so you need an internal mirror or a pinned image you can carry in on media.
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Is on-premises the same as air-gapped?
No, and the difference is the point. On-premise means the software runs on infrastructure you control. Air-gapped means that infrastructure has no physical or logical connection to the internet or any unsecured network.
Most on-premises tools still assume a connection for licensing, updates or avatars, so an air gap is a stricter requirement that has to be tested rather than assumed.
Does air-gapped mean no internet?
Mostly yes, but it means more than that. Air-gapped means a system is physically isolated from all untrusted networks, which includes the public internet but also any other network the organization does not fully control.
So no internet is part of it, but a truly air-gapped machine also has no link to the regular corporate network, Wi-Fi, Bluetooth, or any other outside connection.
What is an example of an air-gapped network?
A common example of an air-gapped network is the classified network used by military and intelligence agencies to handle secret information, which runs entirely separate from the public internet with no physical or wireless connection between them.
Another everyday example is the control network for a power plant or factory floor, kept isolated so that a breach of the corporate office network cannot reach the systems running physical equipment.
