Bitcoin Armory might be a bit more popular than GreenAddress. We know about 1 link to it since March 2021 and only 1 link to GreenAddress. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Green address (the obsolete wallet here- https://greenaddress.it/en/) or blockstream green (new version of wallet here - https://blockstream.com/green/) ? Source: about 3 years ago
Armory - is an open source wallet client. It was designed from the start to provide the highest level of security to users who invest heavily in Bitcoin, while still maintaining a high level of ease of use and convenience. Its ease of use and tons of advanced features make it one of the most popular Bitcoin clients. Armory is a Python-based client that is currently in Alpha testing, and the Beta version is funded... Source: almost 2 years ago
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