Achromatic is an advanced Next 15 SaaS starter kit with pre-built components and features to accelerate web app development.

Kickstart your SaaS with a powerful, open-source starter kit. Built using SvelteKit, Supabase, and shadcn-svelte, with seamless Stripe integration. Scale effortlessly to up to 50,000 users completely free.

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SaaS Bot Kit is a Python & Django boilerplate for building Slack apps with Slack API integration and recurring payments via Polar.