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Nirsoft

Small & useful win32 utilities from developer "Nir Sofer"

http://www.nirsoft.net/
 

Pouet

Massive archive of demoscene. groups, releases, demos, music and more

http://www.pouet.net/
 

Maf464

Personal website of french demoscene musician "Benoit Charcosset"

http://www.maf464.com/
 

Emuparadise

Huge collection of gaming console emulator and roms

http://www.emuparadise.me/
 

NewGrounds

Multimedia community driven by member's art,music,game and cinematic contributions. online since '95

http://www.newgrounds.com/
 

Instructables

A wide spectrum DIY community, online since 2006. my profile is here: http://www.instructables.com/member/psychip/

http://www.instructables.com/
 

Chiptune

another chiptune archive, i like the c64 like site interface.

http://chiptune.com/
 

The mod archive

name on it, very first online mod archive which i know. online since '96, changed owners & interface a lot but content is still accessible.

https://modarchive.org/
 

Un4Seen Developments

Ian Luck's website, the guy behind xmplayer and bass audio library.

http://www.un4seen.com/
 

SysInternals

A collection of windows utilities, online since '97 acquired by microsoft few years ago.

https://technet.microsoft.com/en-us/sysinternals/bb545021.aspx
 

RTL-SDR Blog

Project collection of software defined radio (SDR) based on Realtek RTL2832U powered usb dongles.

http://www.rtl-sdr.com/
 

Marco Pontello

he's the author of trID file identifier app also created various useful tools.

https://mark0.net/?ref=psychip.net