YaraEditor is a software that will reduce to zéro the hassle of writing and testing signatures for the Yara engine. It can store your rules into a local database or operate on raw files with syntax highlighting.
Adlice PEViewer (RogueKillerPE) is a PE analyzer software, helping during malware analysis. PEViewer is able to inspect a file on disk or (running) process memory and classify the sample using various modules based on artificial intelligence, 3rd party services and built-in heuristic rules.
LogAnalyzer is a program able to analyse reports generated by many diagnostic tools (HijackThis, ZHPDiag, OTL, ...)
MD5Look is a program able to search for a given MD5 hash across the child folders of a given root.
DiffView is a program able to display and log modifications made by a program on the system, in the filesystem and the registry.
VTUploader is a program able to communicate with the VirusTotal API to send files for analysis. Also able to comment on files, and massively send files and comments.
TaskSTRun is a process explorer able to display system information about autostart entries, running process, services, tasks, and network events.