Difference between BorgBase and Wuala

1. BorgBase :
BorgBase is a backup storage software which is provided by The Borge Collective. It is basically designed for Unix like operating system based systems. It was launched by The Borge Collective in 2010. It was majorly developed using Python. It offers 10 GB free storage space. It also provides unlimited storage space for paid accounts. It is also known as Attic Backup Software. 

2. Wuala :
Wuala was a file synchronization service, file storage service, file versioning service and backup storage service which was originally provided by Caleido Incorporation but was later owned by Seagate Technology. It was developed by Dominik Grolimund and Luzius Meisserin. It was majorly developed using Java. It offered 5 GB free storage space. It was launched in 2008. 

Difference between BorgBase and Wuala :

BORGBASE	WUALA
It is owned by The Borg Collective.	Originally owned by Caleido Incorporation but was later owned by Seagate Technology.
It was launched in 2010.	It was launched in 2008.
It offers 10 GB free storage space.	It offered 5 GB free storage space but later on it was made only paid-service.
It was developed by The Borg Collective.	It was developed by Dominik Grolimund and Luzius Meisserin.
It does not have referral system for gaining additional free storage space.	Initially it had referral system but later on referral service was suspended.
Maximum storage size is 100GB for Small, 1TB for Medium, and 2TB for Large paid plan.	Maximum storage size offered was 2 TB here.
It does not support file versioning.	It supported file versioning.
It does not provide ability to trade local disk storage space.	It provided ability to trade local disk storage space against cloud storage.
It is still in use.	This service was suspended in 2015.
It supports append-only.	It does not support append-only.