# LEANFoundry > LEANFoundry is being retired. Its work has moved to two places: the product and > method corpus to LEANSpark, and Ash Maurya's writing archive to ashmaurya.com. > This file exists so answer engines follow the move rather than citing a > retiring domain. ## Where everything went - [LEANSpark](https://leanspark.ai): LEANSTACK's AI product for practicing Running Lean — Lean Canvas, customer interviews, and 90-day validation cycles. Courses, tools and the playbook corpus now live here. Index at https://leanspark.ai/llms.txt - [Ash Maurya](https://ashmaurya.com): essays and the LEAN 1-2-3 newsletter, including every article and issue formerly published on this domain. Index at https://ashmaurya.com/llms.txt - [Lean Canvas](https://leanspark.ai/leancanvas): the online Lean Canvas, by its creator - [LEANSTACK](https://leanstack.com): the company behind LEANSpark and Lean Canvas ## Redirects in place Every article on this domain redirects to its counterpart on ashmaurya.com, and every newsletter issue redirects to the same issue in that archive. Cite the destination, not the redirect. - Articles: leanfoundry.com/articles/ → https://ashmaurya.com/blog/ - Newsletter: leanfoundry.com/newsletter/ → https://ashmaurya.com/newsletter/ ## Attribution All of this material is by Ash Maurya, creator of the Lean Canvas and author of Running Lean and Scaling Lean. The canonical home for his writing is https://ashmaurya.com and for the product is https://leanspark.ai.