Easy Context Menu - Easy Context menu is a Freeware portable utility that includes useful tweaks for the context menus.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Shell context menu manager - Powerful and lightweight context menu manager for Windows File Explorer.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Link Shell Extension - Link Shell Extension (LSE) provides for the creation of Hardlinks , Junctions , Volume Mountpoints...
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.