Open source free software for Windows.

*These software can show English messages, but documents are not ready yet.
**Japanese documents say some information about the license but I'm going to change the policy into zlib license.

Title	Description	Last updated	Download link & hash	Remarks
Medusa	Dynamic DNS client	27th, Jun., 2015 Ver.0.3	Medusa03.txt Medusa03.zip SHA256: b4dc5aa1885f091cf0af7262ed178bb95a5c3cd33c9d127c8226a26563b84e74	Windows XP or later. Source code included.
Dynamic DNS update utility, also works as a Windows system service. .NET Framework 2.0 SP2 is required.

Title	Description	Last updated	Download link & hash	Remarks
AntiDevice	Deleting non-present device entries	11th, Nov., 2012 Ver.2.51 (history)	AntiDevice251.txt AntiDevice251.zip SHA256: 51df80cd81bc706ba626b72767061d03f41ec9956ea4c528f3b683b37dc7bf0c)	Windows XP or later. Source code included.
This utility can delete device associated information of non-present ones, specially attached device driver. And with the device connected again, Windows will newly detect it and show the PnP window. Visual C++ 2008 SP1 runtime is required (x86/x64).

Title	Description	Last updated	Download link & hash	Remarks
gnyaclock	Bezier line clock	28th, Jul., 2013 Ver.2.02 (history)	gnyaclock202.txt gnyaclock202.zip SHA256: 63a615d70a071c270d7510c064547c3635fadbc4bd645ca0f3e12f748632cffb	Windows XP or later. Source code included.
Bezier line clock accessary ported from NetBSD.