BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.