Libgda is a (relatively small) database access library. It provides a wrapper like ODBC but with more features for accessing several database engines, a general data model for use with CSV or XML files, a metadata extractor that retrieves information about database objects in a common way, and a SQL console application (like mysql, psql or sqlite3 consoles).
Tenable Nessus is a world-leader in active vulnerability scanners. It features high-speed discovery, configuration auditing, asset profiling, sensitive data discovery, and vulnerability analysis of your security posture. Nessus scanners may be distributed throughout an entire enterprise, inside DMZs, and across physically separate networks. It is free of charge for personal use in a non-enterprise environment.
Bletchley is a real-world cryptanalysis framework. It was created to assist with the detection, analysis, and exploitation of cryptographic flaws and aims to help automate the tedious aspects of this analysis while leaving the security expert in control of the process. It features automated token encoding detection (36 encoding variants), passive ciphertext block length and repetition analysis, a script generator for efficient automation of HTTP requests, and a flexible, multithreaded padding oracle attack library with CBC-R support.