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Small PHP library to view (1) all the executed MYSQL queries and their result (read data, affected rows, errors and their reason) and (2) all received GET and POST variables. This library makes it very fast to find why queries did not work as expected.
Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
spyGLass is an OpenGL call tracer and debugger. It goes a step further than simply using ltrace because it knows what the arguments to the various gl* calls are, and it also knows about OpenGL's error flag.
Tcl Golems is a package of utilities designed to make life easier for Tcl / Tk programmers. The Golems are cross-platform and text-only (GUI-less). Golems included are: 1) source code line counter; 2) mis-matched braces / brackets / quotes code checker
A small suite of classes designed to examine objects through the Java reflection API. Analysis is package neutral and output can be written to log file or as HTML tables. The project focus is in debugging the state of a servlet or JSP.
araSpect is a server side object inspector for web applications. Through a web interface you can drill down in your server side java beans. It is very easy to install and can be added to a deployed application. There is special support for Struts.
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xtrace - eXtended trace utility, similar to strace, ptrace, truss, but with extended functionality and unique features, such as dumping function calls (dynamically or statically linked), dumping call stack and more.
AG101 is a java-based visual XSL editor/debugger built on the Pollo XML editor (pollo.sourceforge.net). It has extensions to a regular expression library. It also has the ability to pipe XSL transforms one to another and store and reuse those pipes.
Cricket Cage automatically creates JUnit TestCases for repeatable bugs and test scenarios. Include Cricket Cage's AspectJ code to install a code generator, then run the program to generate the TestCase. Finally, add the test case to your build.xml.
xsldb is a fully featured xslt debugger that can easily be linked into every xslt-development environment that uses Apache XALAN or the Sun JDK implementations. xsldb is interactive, console based and offers an intuitive, easy to learn debugging language
Orome is a tool for automating System or Acceptance tests (also Unit test though this is not the focus) for web-based systems. Orome takes a set of static HTML pages defining a walkthrough of (part of) the systems and tests it against the running system.
Ssnooper is a program to created to aid in the debugging of serial line (RS232) connections. With ssnooper, a computer with two free serial ports can be connected between two serial devices to intercept and log all communications.
lsstack is a Linux implementation of the "pstack" utility from Solaris
lsstack is a command line utility which (efficiently and quickly) prints the call stacks for all threads in a specified process,
with symbolic names for functions, where symbols ar