Grammarly is an English writing assistant founded in 2009 in San Francisco, USA, serving roughly 30 million daily active users with grammar checking, tone optimization and generative AI writing (GrammarlyGO), from a free tier to a ~$12/month Premium plan.
Founded in 2009 in San Diego, California, Ecwid is a lightweight embeddable e-commerce widget. The forever-free plan supports 10 products with no transaction fees, enabling any website to start selling in minutes.
Joplin is an open-source note and to-do app initiated in 2016 by French developer Laurent Cozic, supporting Markdown, end-to-end encryption and multi-platform sync with data servers in Paris, France (GDPR), 45,000+ GitHub stars, and optional Joplin Cloud from EUR 2.99/month.