- An aide is a personal assistant
- Aide-de-camp military officer
- Aide (deity), a purported Basque deity
- AIDE (software), (Advanced Intrusion Detection Environment). An open source host-based intrusion detection system
- AIDE (Android application), An Android App that allows Android Apps development directly using the device. It compiles and installs the created app in the device
- Alliance of Independent Democrats in Europe, a former political party at European level
- Advanced Intrusion Detection Environment, an intrusion detection software package
Get ready! Something really cool is coming!