Little Disk Cleaner is a open source program written in C# that removes any unneeded files to free up extra hard drive space and make windows run faster.
Lightweight File Integrity Checker. It will keep a database with a sha1/md5 fingerprint of your files and scan on command for any changes, added or deleted files. It can output to logfile, email, syslog or eventlog. Satisfies PCI-DSS 1.2 requirement