MultiInjector claims to the first configurable automatic website defacement software, I’m not sure if that’s a good thing - or a bad thing.
But well here it is anyway.

Features

Receives a list of URLs as input
Recognizes the parameterized URLs from the list
Fuzzes all URL parameters to concatenate the desired payload once an injection is successful
Automatic defacement - [...]

Google hacking was the big thing back in 2004, I actually did a talk on it in Hack in the Box 2004, it’s resurfaced again as a serious threat with Google noticing more queries relating to things like social security numbers.
The Google Hacking Database has been active for years now and there are hundreds of [...]

sqlmap is an automatic SQL injection tool developed in Python. Its goal is to detect and take advantage of SQL injection vulnerabilities on web applications. Once it detects one or more SQL injections on the target host, the user can choose among a variety of options to perform an extensive back-end database management system fingerprint, [...]

There are quite a lot of SQL Injection Tools available and now there is one more to add to the stable for testing - Bsqlbf V2, which is a Blind SQL Injection Brute Forcer.

The original tool (bsqlbfv1.2-th.pl) was intended to exploit blind sql injection against a mysql backend database, this new version supports blind sql [...]

We’ve been folowing the development of sqlninja since the early days, it’s growing into a well matured and more polished tool with advanced features.
Sqlninja is a tool written in PERL to exploit SQL Injection vulnerabilities on a web application that uses Microsoft SQL Server as its back-end. Its main goal is to provide a remote [...]

Now this is an interesting turn of events, the Asprox botnet malware is being used to spread SQL Injection tools rather than sending out phishing e-mails as before.
It seems to install quite stealthily as well disguising itself as a Windows Service with a fairly convincing file name. It’s certainly interesting to see the evolution of [...]

Sqlninja is a tool to exploit SQL Injection vulnerabilities on a web application that uses Microsoft SQL Server as its back-end. Its main goal is to provide a remote shell on the vulnerable DB server, even in a very hostile environment. It should be used by penetration testers to help and automate the process of [...]

ProxyStrike is an active Web Application Proxy, is a tool designed to find vulnerabilities while browsing an application. It was created because the problems faced in the pentests of web applications that depends heavily on Javascript, not many web scanners did it good in this stage, so ProxyStrike was born.
Right now it has available SQL [...]

Exploit-Me is a suite of Firefox web application security testing tools. Exploit-Me tools are designed to be lightweight and easy to use. Instead of using a proxy like many web application testing tools, Exploit-Me integrates directly with Firefox. It currently consists of two tools, one for XSS and one for SQL Injection.
The Exploit-Me series was [...]

This tool is another one on the side of protection, again for web-based applications but this time for .NET applications it’s called .NETIDS (.NET Intrusion detection System). This tool is capable of detecting on attacks on web applications and gives the developer the possibility to react. The project files include filter rules and function stubs [...]