37signals continues its cloud and SaaS repatriation efforts, migrating its data to its own data centers in an effort to adopt a “post-SaaS” structure.

37signals is the company behind Basecamp and helped usher in the SaaS era. Despite its history, the company announced plans introduce the “post-SaaS” era in September 2023, leading the way by moving its cloud-based apps and services to its own hardware. Roughly a year later, the company provided an update, saying it had already saved $10 million from its cloud exit.

In a post on LinkedIn, co-owner and CTO David Heinemeier Hansson said the company’s transition has been so successful that it plans to completely delete its AWS account later this year.

After over a decade on AWS S3, it’s finally time to say farewell. We’re just about to start moving our many petabytes of storage for Basecamp, HEY, and all the heritage apps onto our new Pure Storage flash beast.

Fair play to AWS for comping the quarter of a million-dollar egress bill, per their public commitments. It took a while to get it approved, but in the end we got it.

This means we’ll be able to delete our entire AWS account this summer when the data is out. That’ll be cause for quite some celebration when we finally say goodbye to our ~$1.5m/year S3 hosting bill!

The CTO also provided an update on the cost savings.

The savings will rack up pretty quick from there, once we’ve amortized the $1.5m outlay on the combined 18 petabytes of capacity we’ve bought from Pure across our two data centers. After that, the yearly cost will be below $200,000. Much easier to swallow than $1.5m/year!

That’ll conclude compressing our yearly infrastructure bill from the $3.2 million we started with to well under a million. So two+ million dollars in savings kicking in every year from there. All operated by the same team as before.

Many companies have grown disillusioned with cloud computing and SaaS, with runaway costs and cybersecurity threats tarnishing what was a promising vision. 37signals successfully making the transition to “post-SaaS” infrastructure is proof that such a move may be more viable than many companies realize.