- Free Online Games - Free online games including adventure, board, and puzzle games.
- Astronomical Science Group of Ireland (ASGI) - This scientific collaboration body for astronomers, physicists and technicians across Ireland presents details of events, clubs and societies, research groups, contacts and links.
- Astronomy Ireland - Details of this Irish national space-interest association, with sky and space news, including details of upcoming events, links and general information.
- Dublin Night Sky Observer - Resource for (primarily Irish) astronomy and space buffs which features news, articles, local weather, "Skydiary", software and links to a range of astronomical and space-related subjects.
- Dunsink Observatory - Information about the observatory, its archives and databases, staff and some good links.
- Irish Astronomical Society - Founded in 1937, this organisation provides details of meetings and activities, membership, records of observations, including photos, and news and links.
- Trinity Astronomy and Space Society - College society website with information about events, the society and links.
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