Partition
freeware

_EASEUS Partition Master Home Edition
Free disk partition management tool allows to extend C drive (system partition), settle low disk space problem, manage disk space easily on MBR and GPT disk.
Support Windows 8.1/8/7/Vista/XP

Download

---

MiniTool Partition Wizard Home Edition
Is a free partition manager software designed by MiniTool Solution Ltd.

Download

---

GParted
With GParted you can resize, copy, and move partitions without data loss, enabling you to: grow or shrink your C: drive; create space for new operating systems; attempt data rescue from lost partitions, ecc.

Download