Ásbrú Connection Manager might be a bit more popular than Persistent SSH. We know about 1 link to it since March 2021 and only 1 link to Persistent SSH. 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.
KiTTy (A PuTTy derivative) has support for SSH-tunnels build-in. If you like the results then you can use something like persistant SSH tunnels (or a FOSS alternative) to maintain them. Source: almost 3 years ago
If you're looking for a GUI connection manager, I like Asbru. Source: over 1 year ago
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