Which database does Stack Overflow use behind-the-scenes?
6895
Which tools and technologies are used to build the Stack Exchange Network?
16380
Do Stack Overflow and other Stack Exchange sites have an app I can use?
137734
Why doesn't Stack Overflow require registration?
135312
Stack Overflow, Stack Exchange, Area 51: What's the difference in a nutshell?
136138
Why is Stack Overflow so fast?
88447
What is the difference between Stack Overflow and Stack Exchange?
58841
Introducing the Stack Exchange Data Explorer aka SEDE
110328
Track changes in database structure
15703
Database schema documentation for the public data dump and SEDE
140518
What is up with the source code license on Stack Overflow?
82599
The future of meta.stackoverflow and meta.stackexchange
22508
Saved searches in Stack Overflow
85634
Am I allowed to make a Stack Overflow clone?
115277
Why does Stack Overflow have a different upper interface?
18056
Are there any clones/alternatives for running a Stack Exchange style Q&A site?
142137
Is there any app for Stack Exchange?
25437
Application to read Stack Overflow off-line