Tools

Speechify Text-to-speech reader for docs and web.

Square Point-of-sale and payments for small business.

Stable Diffusion Open, customizable image model you can run locally or in the cloud.

Stitch AI generates UI design from prompts and images.

Stripe Payments and billing infrastructure for the internet.

Submagic AI captions and B-rolls for short-form video.

Sudowrite Fiction-first AI for novelists — brainstorm, describe, and rewrite prose.

Supabase AI AI SQL and schema help inside Supabase.

Superhuman AI-accelerated email with snappy shortcuts.

Surfer On-page SEO content optimization and audits.